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Finding the Fourth Proportional to 7,793.76, 11,691.72 and 2,600.04

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Solution

The fourth proportional to 7,793.76, 11,691.72 and 2,600.04 is: 3,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.76 : 11,691.72 = 2,600.04 : x
  2. Step 2: Convert to fraction form
    7,793.76/11,691.72 = 2,600.04/x
  3. Step 3: Cross multiply
    7,793.76x = 11,691.72 × 2,600.04
  4. Step 4: Simplify right side
    7,793.76x = 30,398,939.67
  5. Step 5: Solve for x
    x = 30,398,939.67/7,793.76
  6. Step 6: Final answer
    x = 3,900.42

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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.