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Finding the Fourth Proportional to 16,379.29, 22,604.03 and 9,306.91

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Solution

The fourth proportional to 16,379.29, 22,604.03 and 9,306.91 is: 12,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.29 : 22,604.03 = 9,306.91 : x
  2. Step 2: Convert to fraction form
    16,379.29/22,604.03 = 9,306.91/x
  3. Step 3: Cross multiply
    16,379.29x = 22,604.03 × 9,306.91
  4. Step 4: Simplify right side
    16,379.29x = 210,373,626.31
  5. Step 5: Solve for x
    x = 210,373,626.31/16,379.29
  6. Step 6: Final answer
    x = 12,843.88

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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.