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Finding the Fourth Proportional to 59,691.84, 89,538.80 and 20,249.97

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Solution

The fourth proportional to 59,691.84, 89,538.80 and 20,249.97 is: 30,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,691.84 : 89,538.80 = 20,249.97 : x
  2. Step 2: Convert to fraction form
    59,691.84/89,538.80 = 20,249.97/x
  3. Step 3: Cross multiply
    59,691.84x = 89,538.80 × 20,249.97
  4. Step 4: Simplify right side
    59,691.84x = 1,813,157,912.59
  5. Step 5: Solve for x
    x = 1,813,157,912.59/59,691.84
  6. Step 6: Final answer
    x = 30,375.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.