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Finding the Fourth Proportional to 62,863.92, 86,727.46 and 35,991.96

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Solution

The fourth proportional to 62,863.92, 86,727.46 and 35,991.96 is: 49,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,863.92 : 86,727.46 = 35,991.96 : x
  2. Step 2: Convert to fraction form
    62,863.92/86,727.46 = 35,991.96/x
  3. Step 3: Cross multiply
    62,863.92x = 86,727.46 × 35,991.96
  4. Step 4: Simplify right side
    62,863.92x = 3,121,491,271.22
  5. Step 5: Solve for x
    x = 3,121,491,271.22/62,863.92
  6. Step 6: Final answer
    x = 49,654.73

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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.