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Finding the Fourth Proportional to 62,834.32, 86,712.60 and 34,542.64

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Solution

The fourth proportional to 62,834.32, 86,712.60 and 34,542.64 is: 47,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,834.32 : 86,712.60 = 34,542.64 : x
  2. Step 2: Convert to fraction form
    62,834.32/86,712.60 = 34,542.64/x
  3. Step 3: Cross multiply
    62,834.32x = 86,712.60 × 34,542.64
  4. Step 4: Simplify right side
    62,834.32x = 2,995,282,125.26
  5. Step 5: Solve for x
    x = 2,995,282,125.26/62,834.32
  6. Step 6: Final answer
    x = 47,669.52

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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.