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Finding the Fourth Proportional to 5,761.13, 8,641.89 and 3,294.81

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Solution

The fourth proportional to 5,761.13, 8,641.89 and 3,294.81 is: 4,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.13 : 8,641.89 = 3,294.81 : x
  2. Step 2: Convert to fraction form
    5,761.13/8,641.89 = 3,294.81/x
  3. Step 3: Cross multiply
    5,761.13x = 8,641.89 × 3,294.81
  4. Step 4: Simplify right side
    5,761.13x = 28,473,385.59
  5. Step 5: Solve for x
    x = 28,473,385.59/5,761.13
  6. Step 6: Final answer
    x = 4,942.33

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Why These Related Problems?

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