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Finding the Fourth Proportional to 22,086.46, 33,129.96 and 12,244.96

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Solution

The fourth proportional to 22,086.46, 33,129.96 and 12,244.96 is: 18,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,086.46 : 33,129.96 = 12,244.96 : x
  2. Step 2: Convert to fraction form
    22,086.46/33,129.96 = 12,244.96/x
  3. Step 3: Cross multiply
    22,086.46x = 33,129.96 × 12,244.96
  4. Step 4: Simplify right side
    22,086.46x = 405,675,035.00
  5. Step 5: Solve for x
    x = 405,675,035.00/22,086.46
  6. Step 6: Final answer
    x = 18,367.59

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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.