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Finding the Fourth Proportional to 16,532.73, 22,815.24 and 8,979.12

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Solution

The fourth proportional to 16,532.73, 22,815.24 and 8,979.12 is: 12,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,532.73 : 22,815.24 = 8,979.12 : x
  2. Step 2: Convert to fraction form
    16,532.73/22,815.24 = 8,979.12/x
  3. Step 3: Cross multiply
    16,532.73x = 22,815.24 × 8,979.12
  4. Step 4: Simplify right side
    16,532.73x = 204,860,777.79
  5. Step 5: Solve for x
    x = 204,860,777.79/16,532.73
  6. Step 6: Final answer
    x = 12,391.23

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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.