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Finding the Fourth Proportional to 60,105.14, 82,917.15 and 38,891.24

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Solution

The fourth proportional to 60,105.14, 82,917.15 and 38,891.24 is: 53,651.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,105.14 : 82,917.15 = 38,891.24 : x
  2. Step 2: Convert to fraction form
    60,105.14/82,917.15 = 38,891.24/x
  3. Step 3: Cross multiply
    60,105.14x = 82,917.15 × 38,891.24
  4. Step 4: Simplify right side
    60,105.14x = 3,224,750,780.77
  5. Step 5: Solve for x
    x = 3,224,750,780.77/60,105.14
  6. Step 6: Final answer
    x = 53,651.83

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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.