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  • 22-09-2017
  • Mathematics
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How do you do percent proportion?

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  • 22-09-2017
In a proportion the cross-products are equal: So 3 times 100 is equal to 4 times the PERCENT. The missing PERCENT equals 100 times 3 divided by 4. (Multiply the two opposite corners with numbers; then divide by the other number.)
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