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Finding the Fourth Proportional to 8,244.57, 12,372.21 and 3,569.14

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Solution

The fourth proportional to 8,244.57, 12,372.21 and 3,569.14 is: 5,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.57 : 12,372.21 = 3,569.14 : x
  2. Step 2: Convert to fraction form
    8,244.57/12,372.21 = 3,569.14/x
  3. Step 3: Cross multiply
    8,244.57x = 12,372.21 × 3,569.14
  4. Step 4: Simplify right side
    8,244.57x = 44,158,149.60
  5. Step 5: Solve for x
    x = 44,158,149.60/8,244.57
  6. Step 6: Final answer
    x = 5,356.03

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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.