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Finding the Fourth Proportional to 5,440.59, 7,508.19 and 3,082.68

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Solution

The fourth proportional to 5,440.59, 7,508.19 and 3,082.68 is: 4,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.59 : 7,508.19 = 3,082.68 : x
  2. Step 2: Convert to fraction form
    5,440.59/7,508.19 = 3,082.68/x
  3. Step 3: Cross multiply
    5,440.59x = 7,508.19 × 3,082.68
  4. Step 4: Simplify right side
    5,440.59x = 23,145,347.15
  5. Step 5: Solve for x
    x = 23,145,347.15/5,440.59
  6. Step 6: Final answer
    x = 4,254.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.