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Finding the Fourth Proportional to 18,061.92, 24,924.86 and 10,103.97

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Solution

The fourth proportional to 18,061.92, 24,924.86 and 10,103.97 is: 13,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.92 : 24,924.86 = 10,103.97 : x
  2. Step 2: Convert to fraction form
    18,061.92/24,924.86 = 10,103.97/x
  3. Step 3: Cross multiply
    18,061.92x = 24,924.86 × 10,103.97
  4. Step 4: Simplify right side
    18,061.92x = 251,840,037.69
  5. Step 5: Solve for x
    x = 251,840,037.69/18,061.92
  6. Step 6: Final answer
    x = 13,943.15

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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.