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Finding the Fourth Proportional to 57,073.73, 78,793.42 and 34,418.46

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Solution

The fourth proportional to 57,073.73, 78,793.42 and 34,418.46 is: 47,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,073.73 : 78,793.42 = 34,418.46 : x
  2. Step 2: Convert to fraction form
    57,073.73/78,793.42 = 34,418.46/x
  3. Step 3: Cross multiply
    57,073.73x = 78,793.42 × 34,418.46
  4. Step 4: Simplify right side
    57,073.73x = 2,711,948,174.53
  5. Step 5: Solve for x
    x = 2,711,948,174.53/57,073.73
  6. Step 6: Final answer
    x = 47,516.58

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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.