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Finding the Fourth Proportional to 66,355.92, 99,507.96 and 29,394

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Solution

The fourth proportional to 66,355.92, 99,507.96 and 29,394 is: 44,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,355.92 : 99,507.96 = 29,394 : x
  2. Step 2: Convert to fraction form
    66,355.92/99,507.96 = 29,394/x
  3. Step 3: Cross multiply
    66,355.92x = 99,507.96 × 29,394
  4. Step 4: Simplify right side
    66,355.92x = 2,924,936,976.24
  5. Step 5: Solve for x
    x = 2,924,936,976.24/66,355.92
  6. Step 6: Final answer
    x = 44,079.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.