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Finding the Fourth Proportional to 5,793.68, 8,691.80 and 2,714

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Solution

The fourth proportional to 5,793.68, 8,691.80 and 2,714 is: 4,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793.68 : 8,691.80 = 2,714 : x
  2. Step 2: Convert to fraction form
    5,793.68/8,691.80 = 2,714/x
  3. Step 3: Cross multiply
    5,793.68x = 8,691.80 × 2,714
  4. Step 4: Simplify right side
    5,793.68x = 23,589,545.20
  5. Step 5: Solve for x
    x = 23,589,545.20/5,793.68
  6. Step 6: Final answer
    x = 4,071.60

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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.