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Finding the Fourth Proportional to 22,520.70, 33,793.20 and 9,374.40

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Solution

The fourth proportional to 22,520.70, 33,793.20 and 9,374.40 is: 14,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520.70 : 33,793.20 = 9,374.40 : x
  2. Step 2: Convert to fraction form
    22,520.70/33,793.20 = 9,374.40/x
  3. Step 3: Cross multiply
    22,520.70x = 33,793.20 × 9,374.40
  4. Step 4: Simplify right side
    22,520.70x = 316,790,974.08
  5. Step 5: Solve for x
    x = 316,790,974.08/22,520.70
  6. Step 6: Final answer
    x = 14,066.66

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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.