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Finding the Fourth Proportional to 57,694.80, 86,350.20 and 41,854.80

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Solution

The fourth proportional to 57,694.80, 86,350.20 and 41,854.80 is: 62,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,694.80 : 86,350.20 = 41,854.80 : x
  2. Step 2: Convert to fraction form
    57,694.80/86,350.20 = 41,854.80/x
  3. Step 3: Cross multiply
    57,694.80x = 86,350.20 × 41,854.80
  4. Step 4: Simplify right side
    57,694.80x = 3,614,170,350.96
  5. Step 5: Solve for x
    x = 3,614,170,350.96/57,694.80
  6. Step 6: Final answer
    x = 62,642.91

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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.