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Anarel [89]
3 years ago
5

Find the missing number in this proportion Help

Mathematics
1 answer:
Triss [41]3 years ago
8 0

Answer:

9

Step-by-step explanation:

To solve, we can first cross multiply

28/63=4/x

28*x=63*4

28x=252

Since we are trying to find x(the missing number), we need to get x by itself. x is being multiplied by 28. To undo this, divide both sides by 28. This will cancel out 28 and leave x by itself.

28x/28=252/28

x=9

So, the missing number is 9

28/63=4/9

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