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Finding the Fourth Proportional to 33,297.35, 49,932.90 and 12,231.09

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Solution

The fourth proportional to 33,297.35, 49,932.90 and 12,231.09 is: 18,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,297.35 : 49,932.90 = 12,231.09 : x
  2. Step 2: Convert to fraction form
    33,297.35/49,932.90 = 12,231.09/x
  3. Step 3: Cross multiply
    33,297.35x = 49,932.90 × 12,231.09
  4. Step 4: Simplify right side
    33,297.35x = 610,733,793.86
  5. Step 5: Solve for x
    x = 610,733,793.86/33,297.35
  6. Step 6: Final answer
    x = 18,341.82

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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.