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Finding the Fourth Proportional to 16,651.98, 22,979.97 and 9,481.05

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Solution

The fourth proportional to 16,651.98, 22,979.97 and 9,481.05 is: 13,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.98 : 22,979.97 = 9,481.05 : x
  2. Step 2: Convert to fraction form
    16,651.98/22,979.97 = 9,481.05/x
  3. Step 3: Cross multiply
    16,651.98x = 22,979.97 × 9,481.05
  4. Step 4: Simplify right side
    16,651.98x = 217,874,244.57
  5. Step 5: Solve for x
    x = 217,874,244.57/16,651.98
  6. Step 6: Final answer
    x = 13,083.98

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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.