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Finding the Fourth Proportional to 57,732.96, 86,644.74 and 29,651.88

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Solution

The fourth proportional to 57,732.96, 86,644.74 and 29,651.88 is: 44,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,732.96 : 86,644.74 = 29,651.88 : x
  2. Step 2: Convert to fraction form
    57,732.96/86,644.74 = 29,651.88/x
  3. Step 3: Cross multiply
    57,732.96x = 86,644.74 × 29,651.88
  4. Step 4: Simplify right side
    57,732.96x = 2,569,179,433.11
  5. Step 5: Solve for x
    x = 2,569,179,433.11/57,732.96
  6. Step 6: Final answer
    x = 44,501.09

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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.