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Finding the Fourth Proportional to 8,549.73, 12,824.46 and 3,616.20

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Solution

The fourth proportional to 8,549.73, 12,824.46 and 3,616.20 is: 5,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.73 : 12,824.46 = 3,616.20 : x
  2. Step 2: Convert to fraction form
    8,549.73/12,824.46 = 3,616.20/x
  3. Step 3: Cross multiply
    8,549.73x = 12,824.46 × 3,616.20
  4. Step 4: Simplify right side
    8,549.73x = 46,375,812.25
  5. Step 5: Solve for x
    x = 46,375,812.25/8,549.73
  6. Step 6: Final answer
    x = 5,424.24

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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.