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Finding the Fourth Proportional to 7,337.71, 11,007.42 and 2,659.92

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Solution

The fourth proportional to 7,337.71, 11,007.42 and 2,659.92 is: 3,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.71 : 11,007.42 = 2,659.92 : x
  2. Step 2: Convert to fraction form
    7,337.71/11,007.42 = 2,659.92/x
  3. Step 3: Cross multiply
    7,337.71x = 11,007.42 × 2,659.92
  4. Step 4: Simplify right side
    7,337.71x = 29,278,856.61
  5. Step 5: Solve for x
    x = 29,278,856.61/7,337.71
  6. Step 6: Final answer
    x = 3,990.19

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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.