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Finding the Fourth Proportional to 7,591.03, 11,391.66 and 2,660.71

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Solution

The fourth proportional to 7,591.03, 11,391.66 and 2,660.71 is: 3,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.03 : 11,391.66 = 2,660.71 : x
  2. Step 2: Convert to fraction form
    7,591.03/11,391.66 = 2,660.71/x
  3. Step 3: Cross multiply
    7,591.03x = 11,391.66 × 2,660.71
  4. Step 4: Simplify right side
    7,591.03x = 30,309,890.38
  5. Step 5: Solve for x
    x = 30,309,890.38/7,591.03
  6. Step 6: Final answer
    x = 3,992.86

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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.