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Finding the Fourth Proportional to 55,684.92, 76,811.17 and 33,008.73

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Solution

The fourth proportional to 55,684.92, 76,811.17 and 33,008.73 is: 45,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,684.92 : 76,811.17 = 33,008.73 : x
  2. Step 2: Convert to fraction form
    55,684.92/76,811.17 = 33,008.73/x
  3. Step 3: Cross multiply
    55,684.92x = 76,811.17 × 33,008.73
  4. Step 4: Simplify right side
    55,684.92x = 2,535,439,294.90
  5. Step 5: Solve for x
    x = 2,535,439,294.90/55,684.92
  6. Step 6: Final answer
    x = 45,531.89

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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.