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Finding the Fourth Proportional to 22,380.23, 33,582.11 and 9,908.88

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Solution

The fourth proportional to 22,380.23, 33,582.11 and 9,908.88 is: 14,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.23 : 33,582.11 = 9,908.88 : x
  2. Step 2: Convert to fraction form
    22,380.23/33,582.11 = 9,908.88/x
  3. Step 3: Cross multiply
    22,380.23x = 33,582.11 × 9,908.88
  4. Step 4: Simplify right side
    22,380.23x = 332,761,048.59
  5. Step 5: Solve for x
    x = 332,761,048.59/22,380.23
  6. Step 6: Final answer
    x = 14,868.53

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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.