Finding the Fourth Proportional to 52,027,240.74, 71,792,359.74 and 28,818,031.02
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Solution
The fourth proportional to 52,027,240.74, 71,792,359.74 and 28,818,031.02 is: 39,765,984.52
Step by Step Solution
- Step 1: Write the proportion equation
52,027,240.74 : 71,792,359.74 = 28,818,031.02 : x - Step 2: Convert to fraction form
52,027,240.74/71,792,359.74 = 28,818,031.02/x - Step 3: Cross multiply
52,027,240.74x = 71,792,359.74 × 28,818,031.02 - Step 4: Simplify right side
52,027,240.74x = 2,068,914,449,986,319 - Step 5: Solve for x
x = 2,068,914,449,986,319/52,027,240.74 - Step 6: Final answer
x = 39,765,984.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.