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Finding the Fourth Proportional to 8,363.02, 12,549.39 and 3,169.30

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Solution

The fourth proportional to 8,363.02, 12,549.39 and 3,169.30 is: 4,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.02 : 12,549.39 = 3,169.30 : x
  2. Step 2: Convert to fraction form
    8,363.02/12,549.39 = 3,169.30/x
  3. Step 3: Cross multiply
    8,363.02x = 12,549.39 × 3,169.30
  4. Step 4: Simplify right side
    8,363.02x = 39,772,781.73
  5. Step 5: Solve for x
    x = 39,772,781.73/8,363.02
  6. Step 6: Final answer
    x = 4,755.79

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1.5x scale

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.