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Finding the Fourth Proportional to 5,472.26, 7,549.86 and 3,081.86

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Solution

The fourth proportional to 5,472.26, 7,549.86 and 3,081.86 is: 4,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.26 : 7,549.86 = 3,081.86 : x
  2. Step 2: Convert to fraction form
    5,472.26/7,549.86 = 3,081.86/x
  3. Step 3: Cross multiply
    5,472.26x = 7,549.86 × 3,081.86
  4. Step 4: Simplify right side
    5,472.26x = 23,267,611.54
  5. Step 5: Solve for x
    x = 23,267,611.54/5,472.26
  6. Step 6: Final answer
    x = 4,251.92

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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.