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Finding the Fourth Proportional to 57,607.38, 86,359.23 and 29,821.14

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Solution

The fourth proportional to 57,607.38, 86,359.23 and 29,821.14 is: 44,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,607.38 : 86,359.23 = 29,821.14 : x
  2. Step 2: Convert to fraction form
    57,607.38/86,359.23 = 29,821.14/x
  3. Step 3: Cross multiply
    57,607.38x = 86,359.23 × 29,821.14
  4. Step 4: Simplify right side
    57,607.38x = 2,575,330,688.12
  5. Step 5: Solve for x
    x = 2,575,330,688.12/57,607.38
  6. Step 6: Final answer
    x = 44,704.87

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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.