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Finding the Fourth Proportional to 5,254.68, 7,251.48 and 3,158.84

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Solution

The fourth proportional to 5,254.68, 7,251.48 and 3,158.84 is: 4,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.68 : 7,251.48 = 3,158.84 : x
  2. Step 2: Convert to fraction form
    5,254.68/7,251.48 = 3,158.84/x
  3. Step 3: Cross multiply
    5,254.68x = 7,251.48 × 3,158.84
  4. Step 4: Simplify right side
    5,254.68x = 22,906,265.08
  5. Step 5: Solve for x
    x = 22,906,265.08/5,254.68
  6. Step 6: Final answer
    x = 4,359.21

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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.