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Finding the Fourth Proportional to 8,504.91, 12,765.42 and 5,224.41

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Solution

The fourth proportional to 8,504.91, 12,765.42 and 5,224.41 is: 7,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.91 : 12,765.42 = 5,224.41 : x
  2. Step 2: Convert to fraction form
    8,504.91/12,765.42 = 5,224.41/x
  3. Step 3: Cross multiply
    8,504.91x = 12,765.42 × 5,224.41
  4. Step 4: Simplify right side
    8,504.91x = 66,691,787.90
  5. Step 5: Solve for x
    x = 66,691,787.90/8,504.91
  6. Step 6: Final answer
    x = 7,841.56

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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.