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Finding the Fourth Proportional to 5,781.92, 7,979.11 and 3,263.52

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Solution

The fourth proportional to 5,781.92, 7,979.11 and 3,263.52 is: 4,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.92 : 7,979.11 = 3,263.52 : x
  2. Step 2: Convert to fraction form
    5,781.92/7,979.11 = 3,263.52/x
  3. Step 3: Cross multiply
    5,781.92x = 7,979.11 × 3,263.52
  4. Step 4: Simplify right side
    5,781.92x = 26,040,006.83
  5. Step 5: Solve for x
    x = 26,040,006.83/5,781.92
  6. Step 6: Final answer
    x = 4,503.70

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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.