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Finding the Fourth Proportional to 71,366.37, 98,481.33 and 39,532.97

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Solution

The fourth proportional to 71,366.37, 98,481.33 and 39,532.97 is: 54,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.37 : 98,481.33 = 39,532.97 : x
  2. Step 2: Convert to fraction form
    71,366.37/98,481.33 = 39,532.97/x
  3. Step 3: Cross multiply
    71,366.37x = 98,481.33 × 39,532.97
  4. Step 4: Simplify right side
    71,366.37x = 3,893,258,972.04
  5. Step 5: Solve for x
    x = 3,893,258,972.04/71,366.37
  6. Step 6: Final answer
    x = 54,553.13

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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.