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Finding the Fourth Proportional to 59,122.85, 81,591.72 and 35,251.76

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Solution

The fourth proportional to 59,122.85, 81,591.72 and 35,251.76 is: 48,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,122.85 : 81,591.72 = 35,251.76 : x
  2. Step 2: Convert to fraction form
    59,122.85/81,591.72 = 35,251.76/x
  3. Step 3: Cross multiply
    59,122.85x = 81,591.72 × 35,251.76
  4. Step 4: Simplify right side
    59,122.85x = 2,876,251,731.43
  5. Step 5: Solve for x
    x = 2,876,251,731.43/59,122.85
  6. Step 6: Final answer
    x = 48,648.73

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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.