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Finding the Fourth Proportional to 16,622.92, 22,942.59 and 9,908.97

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Solution

The fourth proportional to 16,622.92, 22,942.59 and 9,908.97 is: 13,676.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,622.92 : 22,942.59 = 9,908.97 : x
  2. Step 2: Convert to fraction form
    16,622.92/22,942.59 = 9,908.97/x
  3. Step 3: Cross multiply
    16,622.92x = 22,942.59 × 9,908.97
  4. Step 4: Simplify right side
    16,622.92x = 227,337,436.03
  5. Step 5: Solve for x
    x = 227,337,436.03/16,622.92
  6. Step 6: Final answer
    x = 13,676.15

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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.