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Finding the Fourth Proportional to 8,883.29, 13,321.17 and 3,949.56

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Solution

The fourth proportional to 8,883.29, 13,321.17 and 3,949.56 is: 5,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.29 : 13,321.17 = 3,949.56 : x
  2. Step 2: Convert to fraction form
    8,883.29/13,321.17 = 3,949.56/x
  3. Step 3: Cross multiply
    8,883.29x = 13,321.17 × 3,949.56
  4. Step 4: Simplify right side
    8,883.29x = 52,612,760.19
  5. Step 5: Solve for x
    x = 52,612,760.19/8,883.29
  6. Step 6: Final answer
    x = 5,922.66

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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.