To find out how far west the ski lift is at the top of the mountain, we can use the information given about the vertical and horizontal ascension.
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Vertical height: The ski lift starts 4 feet above the ground and ascends to a height of 1356 feet above the ground. Therefore, the total vertical ascent is: \[ 1356 \text{ feet} - 4 \text{ feet} = 1352 \text{ feet} \]
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Horizontal movement: It is stated that for every 1 foot the lift ascends vertically, it travels 4 feet horizontally. We can set up a relationship based on this ratio. If the lift ascends \( h \) feet, then it travels \( 4h \) feet horizontally.
For a vertical ascent of 1352 feet, the horizontal travel would be: \[ \text{Horizontal travel} = 4 \times 1352 \text{ feet} = 5408 \text{ feet} \]
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Conclusion: The lift is 5408 feet west of the starting point at the top of the mountain.
Thus, the final answer is: \[ \text{The ski lift is } 5408 \text{ feet west of the starting position.} \]