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Finding the Fourth Proportional to 71,660.72, 107,510.52 and 24,917.24

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Solution

The fourth proportional to 71,660.72, 107,510.52 and 24,917.24 is: 37,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,660.72 : 107,510.52 = 24,917.24 : x
  2. Step 2: Convert to fraction form
    71,660.72/107,510.52 = 24,917.24/x
  3. Step 3: Cross multiply
    71,660.72x = 107,510.52 × 24,917.24
  4. Step 4: Simplify right side
    71,660.72x = 2,678,864,891.81
  5. Step 5: Solve for x
    x = 2,678,864,891.81/71,660.72
  6. Step 6: Final answer
    x = 37,382.61

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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.