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Finding the Fourth Proportional to 63,541.62, 87,691.41 and 36,689.04

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Solution

The fourth proportional to 63,541.62, 87,691.41 and 36,689.04 is: 50,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,541.62 : 87,691.41 = 36,689.04 : x
  2. Step 2: Convert to fraction form
    63,541.62/87,691.41 = 36,689.04/x
  3. Step 3: Cross multiply
    63,541.62x = 87,691.41 × 36,689.04
  4. Step 4: Simplify right side
    63,541.62x = 3,217,313,649.15
  5. Step 5: Solve for x
    x = 3,217,313,649.15/63,541.62
  6. Step 6: Final answer
    x = 50,633.17

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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.