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Finding the Fourth Proportional to 62,866.92, 86,731.60 and 35,994.96

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Solution

The fourth proportional to 62,866.92, 86,731.60 and 35,994.96 is: 49,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,866.92 : 86,731.60 = 35,994.96 : x
  2. Step 2: Convert to fraction form
    62,866.92/86,731.60 = 35,994.96/x
  3. Step 3: Cross multiply
    62,866.92x = 86,731.60 × 35,994.96
  4. Step 4: Simplify right side
    62,866.92x = 3,121,900,472.74
  5. Step 5: Solve for x
    x = 3,121,900,472.74/62,866.92
  6. Step 6: Final answer
    x = 49,658.87

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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.