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Finding the Fourth Proportional to 5,879.46, 8,819.31 and 2,757.74

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Solution

The fourth proportional to 5,879.46, 8,819.31 and 2,757.74 is: 4,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.46 : 8,819.31 = 2,757.74 : x
  2. Step 2: Convert to fraction form
    5,879.46/8,819.31 = 2,757.74/x
  3. Step 3: Cross multiply
    5,879.46x = 8,819.31 × 2,757.74
  4. Step 4: Simplify right side
    5,879.46x = 24,321,335.02
  5. Step 5: Solve for x
    x = 24,321,335.02/5,879.46
  6. Step 6: Final answer
    x = 4,136.66

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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.