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Finding the Fourth Proportional to 63,356.52, 87,431.49 and 35,063.76

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Solution

The fourth proportional to 63,356.52, 87,431.49 and 35,063.76 is: 48,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,356.52 : 87,431.49 = 35,063.76 : x
  2. Step 2: Convert to fraction form
    63,356.52/87,431.49 = 35,063.76/x
  3. Step 3: Cross multiply
    63,356.52x = 87,431.49 × 35,063.76
  4. Step 4: Simplify right side
    63,356.52x = 3,065,676,781.80
  5. Step 5: Solve for x
    x = 3,065,676,781.80/63,356.52
  6. Step 6: Final answer
    x = 48,387.71

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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.