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Finding the Fourth Proportional to 62,471.43, 86,212.62 and 34,177.11

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Solution

The fourth proportional to 62,471.43, 86,212.62 and 34,177.11 is: 47,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,471.43 : 86,212.62 = 34,177.11 : x
  2. Step 2: Convert to fraction form
    62,471.43/86,212.62 = 34,177.11/x
  3. Step 3: Cross multiply
    62,471.43x = 86,212.62 × 34,177.11
  4. Step 4: Simplify right side
    62,471.43x = 2,946,498,197.13
  5. Step 5: Solve for x
    x = 2,946,498,197.13/62,471.43
  6. Step 6: Final answer
    x = 47,165.53

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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.