Question

19. Find the value of x if the numbers 45, 60, 48 and x are in proportion.
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Answer 1

Step-by-step explanation:

this is your answer the answer is 64

sorry for the late by typing it is taking too late I crop a photo

hope it is helpful

Answer 2

Answer:

let fourth ratio

45:60::48:x

45*x=60*48

45x=2880

x=64