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Finding the Fourth Proportional to 5,691.97, 8,534.06 and 2,916.41

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Solution

The fourth proportional to 5,691.97, 8,534.06 and 2,916.41 is: 4,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.97 : 8,534.06 = 2,916.41 : x
  2. Step 2: Convert to fraction form
    5,691.97/8,534.06 = 2,916.41/x
  3. Step 3: Cross multiply
    5,691.97x = 8,534.06 × 2,916.41
  4. Step 4: Simplify right side
    5,691.97x = 24,888,771.61
  5. Step 5: Solve for x
    x = 24,888,771.61/5,691.97
  6. Step 6: Final answer
    x = 4,372.61

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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.