To express the ratio comparing 4 electronic devices for every 3 people, you can write it in the following three ways:
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Fraction Form: The ratio can be written as a fraction, which shows the relationship between the two quantities: \[ \frac{4}{3} \]
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Colon Form: The ratio can also be expressed using a colon, which is a common way to represent ratios: \[ 4 : 3 \]
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Word Form: The ratio can be described in words, clearly stating the relationship: \[ \text{4 electronic devices to 3 people} \]
Each of these representations conveys the same relationship between the number of electronic devices and the number of people.