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Finding the Fourth Proportional to 5,911.68, 8,867.61 and 2,793.90

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Solution

The fourth proportional to 5,911.68, 8,867.61 and 2,793.90 is: 4,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.68 : 8,867.61 = 2,793.90 : x
  2. Step 2: Convert to fraction form
    5,911.68/8,867.61 = 2,793.90/x
  3. Step 3: Cross multiply
    5,911.68x = 8,867.61 × 2,793.90
  4. Step 4: Simplify right side
    5,911.68x = 24,775,215.58
  5. Step 5: Solve for x
    x = 24,775,215.58/5,911.68
  6. Step 6: Final answer
    x = 4,190.89

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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.