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Finding the Fourth Proportional to 5,791.43, 8,680.43 and 2,664.87

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Solution

The fourth proportional to 5,791.43, 8,680.43 and 2,664.87 is: 3,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.43 : 8,680.43 = 2,664.87 : x
  2. Step 2: Convert to fraction form
    5,791.43/8,680.43 = 2,664.87/x
  3. Step 3: Cross multiply
    5,791.43x = 8,680.43 × 2,664.87
  4. Step 4: Simplify right side
    5,791.43x = 23,132,204.17
  5. Step 5: Solve for x
    x = 23,132,204.17/5,791.43
  6. Step 6: Final answer
    x = 3,994.22

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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.