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Finding the Fourth Proportional to 62,685.01, 86,502.49 and 34,390.09

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Solution

The fourth proportional to 62,685.01, 86,502.49 and 34,390.09 is: 47,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,685.01 : 86,502.49 = 34,390.09 : x
  2. Step 2: Convert to fraction form
    62,685.01/86,502.49 = 34,390.09/x
  3. Step 3: Cross multiply
    62,685.01x = 86,502.49 × 34,390.09
  4. Step 4: Simplify right side
    62,685.01x = 2,974,828,416.32
  5. Step 5: Solve for x
    x = 2,974,828,416.32/62,685.01
  6. Step 6: Final answer
    x = 47,456.78

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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.