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Finding the Fourth Proportional to 22,793.90, 34,226.05 and 12,425.90

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Solution

The fourth proportional to 22,793.90, 34,226.05 and 12,425.90 is: 18,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.90 : 34,226.05 = 12,425.90 : x
  2. Step 2: Convert to fraction form
    22,793.90/34,226.05 = 12,425.90/x
  3. Step 3: Cross multiply
    22,793.90x = 34,226.05 × 12,425.90
  4. Step 4: Simplify right side
    22,793.90x = 425,289,474.70
  5. Step 5: Solve for x
    x = 425,289,474.70/22,793.90
  6. Step 6: Final answer
    x = 18,658.04

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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.