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Finding the Fourth Proportional to 62,652.69, 86,462.10 and 34,358.31

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Solution

The fourth proportional to 62,652.69, 86,462.10 and 34,358.31 is: 47,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,652.69 : 86,462.10 = 34,358.31 : x
  2. Step 2: Convert to fraction form
    62,652.69/86,462.10 = 34,358.31/x
  3. Step 3: Cross multiply
    62,652.69x = 86,462.10 × 34,358.31
  4. Step 4: Simplify right side
    62,652.69x = 2,970,691,635.05
  5. Step 5: Solve for x
    x = 2,970,691,635.05/62,652.69
  6. Step 6: Final answer
    x = 47,415.23

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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.