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Finding the Fourth Proportional to 12,224.52, 16,869.92 and 6,635.52

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Solution

The fourth proportional to 12,224.52, 16,869.92 and 6,635.52 is: 9,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.52 : 16,869.92 = 6,635.52 : x
  2. Step 2: Convert to fraction form
    12,224.52/16,869.92 = 6,635.52/x
  3. Step 3: Cross multiply
    12,224.52x = 16,869.92 × 6,635.52
  4. Step 4: Simplify right side
    12,224.52x = 111,940,691.56
  5. Step 5: Solve for x
    x = 111,940,691.56/12,224.52
  6. Step 6: Final answer
    x = 9,157.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.