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Finding the Fourth Proportional to 68,327.47, 94,294.25 and 39,644.97

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Solution

The fourth proportional to 68,327.47, 94,294.25 and 39,644.97 is: 54,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,327.47 : 94,294.25 = 39,644.97 : x
  2. Step 2: Convert to fraction form
    68,327.47/94,294.25 = 39,644.97/x
  3. Step 3: Cross multiply
    68,327.47x = 94,294.25 × 39,644.97
  4. Step 4: Simplify right side
    68,327.47x = 3,738,292,042.73
  5. Step 5: Solve for x
    x = 3,738,292,042.73/68,327.47
  6. Step 6: Final answer
    x = 54,711.41

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1.5x scale

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.