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Finding the Fourth Proportional to 57,349.62, 85,989.48 and 25,753.54

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Solution

The fourth proportional to 57,349.62, 85,989.48 and 25,753.54 is: 38,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,349.62 : 85,989.48 = 25,753.54 : x
  2. Step 2: Convert to fraction form
    57,349.62/85,989.48 = 25,753.54/x
  3. Step 3: Cross multiply
    57,349.62x = 85,989.48 × 25,753.54
  4. Step 4: Simplify right side
    57,349.62x = 2,214,533,512.76
  5. Step 5: Solve for x
    x = 2,214,533,512.76/57,349.62
  6. Step 6: Final answer
    x = 38,614.62

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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.