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Finding the Fourth Proportional to 52,657.92, 72,620.88 and 43,691.24

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Solution

The fourth proportional to 52,657.92, 72,620.88 and 43,691.24 is: 60,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,657.92 : 72,620.88 = 43,691.24 : x
  2. Step 2: Convert to fraction form
    52,657.92/72,620.88 = 43,691.24/x
  3. Step 3: Cross multiply
    52,657.92x = 72,620.88 × 43,691.24
  4. Step 4: Simplify right side
    52,657.92x = 3,172,896,297.09
  5. Step 5: Solve for x
    x = 3,172,896,297.09/52,657.92
  6. Step 6: Final answer
    x = 60,254.87

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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.