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Finding the Fourth Proportional to 16,462.62, 22,718.24 and 8,908.79

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Solution

The fourth proportional to 16,462.62, 22,718.24 and 8,908.79 is: 12,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,462.62 : 22,718.24 = 8,908.79 : x
  2. Step 2: Convert to fraction form
    16,462.62/22,718.24 = 8,908.79/x
  3. Step 3: Cross multiply
    16,462.62x = 22,718.24 × 8,908.79
  4. Step 4: Simplify right side
    16,462.62x = 202,392,029.33
  5. Step 5: Solve for x
    x = 202,392,029.33/16,462.62
  6. Step 6: Final answer
    x = 12,294.04

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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.