To compare 4 electronic devices for every 3 people, you can express this ratio in several ways. Here are three valid representations:
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Fraction form: \( \frac{4}{3} \) (This shows the relationship between devices and people directly.)
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Colon form: \( 4:3 \) (This format is commonly used to express the ratio.)
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Words form: "4 to 3" (This verbal representation conveys the same relationship.)
The provided options you listed have some formatting and clarity issues. Based on standard ways to express ratios, you could use any of the 3 methods above.