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Finding the Fourth Proportional to 23,044.80, 34,570.08 and 8,251.20

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Solution

The fourth proportional to 23,044.80, 34,570.08 and 8,251.20 is: 12,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,044.80 : 34,570.08 = 8,251.20 : x
  2. Step 2: Convert to fraction form
    23,044.80/34,570.08 = 8,251.20/x
  3. Step 3: Cross multiply
    23,044.80x = 34,570.08 × 8,251.20
  4. Step 4: Simplify right side
    23,044.80x = 285,244,644.10
  5. Step 5: Solve for x
    x = 285,244,644.10/23,044.80
  6. Step 6: Final answer
    x = 12,377.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.