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Finding the Fourth Proportional to 22,189, 33,306.30 and 17,311.96

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Solution

The fourth proportional to 22,189, 33,306.30 and 17,311.96 is: 25,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189 : 33,306.30 = 17,311.96 : x
  2. Step 2: Convert to fraction form
    22,189/33,306.30 = 17,311.96/x
  3. Step 3: Cross multiply
    22,189x = 33,306.30 × 17,311.96
  4. Step 4: Simplify right side
    22,189x = 576,597,333.35
  5. Step 5: Solve for x
    x = 576,597,333.35/22,189
  6. Step 6: Final answer
    x = 25,985.73

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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.