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Finding the Fourth Proportional to 5,417.88, 8,123.17 and 2,494.59

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Solution

The fourth proportional to 5,417.88, 8,123.17 and 2,494.59 is: 3,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.88 : 8,123.17 = 2,494.59 : x
  2. Step 2: Convert to fraction form
    5,417.88/8,123.17 = 2,494.59/x
  3. Step 3: Cross multiply
    5,417.88x = 8,123.17 × 2,494.59
  4. Step 4: Simplify right side
    5,417.88x = 20,263,978.65
  5. Step 5: Solve for x
    x = 20,263,978.65/5,417.88
  6. Step 6: Final answer
    x = 3,740.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.