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Finding the Fourth Proportional to 22,251, 33,350.58 and 12,385.56

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Solution

The fourth proportional to 22,251, 33,350.58 and 12,385.56 is: 18,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251 : 33,350.58 = 12,385.56 : x
  2. Step 2: Convert to fraction form
    22,251/33,350.58 = 12,385.56/x
  3. Step 3: Cross multiply
    22,251x = 33,350.58 × 12,385.56
  4. Step 4: Simplify right side
    22,251x = 413,065,609.62
  5. Step 5: Solve for x
    x = 413,065,609.62/22,251
  6. Step 6: Final answer
    x = 18,563.91

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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.