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Finding the Fourth Proportional to 5,581.95, 8,375.11 and 2,459.76

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Solution

The fourth proportional to 5,581.95, 8,375.11 and 2,459.76 is: 3,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.95 : 8,375.11 = 2,459.76 : x
  2. Step 2: Convert to fraction form
    5,581.95/8,375.11 = 2,459.76/x
  3. Step 3: Cross multiply
    5,581.95x = 8,375.11 × 2,459.76
  4. Step 4: Simplify right side
    5,581.95x = 20,600,760.57
  5. Step 5: Solve for x
    x = 20,600,760.57/5,581.95
  6. Step 6: Final answer
    x = 3,690.60

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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.