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Finding the Fourth Proportional to 16,626.32, 22,945.20 and 9,553.20

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Solution

The fourth proportional to 16,626.32, 22,945.20 and 9,553.20 is: 13,183.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,626.32 : 22,945.20 = 9,553.20 : x
  2. Step 2: Convert to fraction form
    16,626.32/22,945.20 = 9,553.20/x
  3. Step 3: Cross multiply
    16,626.32x = 22,945.20 × 9,553.20
  4. Step 4: Simplify right side
    16,626.32x = 219,200,084.64
  5. Step 5: Solve for x
    x = 219,200,084.64/16,626.32
  6. Step 6: Final answer
    x = 13,183.92

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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.