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Finding the Fourth Proportional to 33,231.64, 49,832.88 and 12,440.56

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Solution

The fourth proportional to 33,231.64, 49,832.88 and 12,440.56 is: 18,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,231.64 : 49,832.88 = 12,440.56 : x
  2. Step 2: Convert to fraction form
    33,231.64/49,832.88 = 12,440.56/x
  3. Step 3: Cross multiply
    33,231.64x = 49,832.88 × 12,440.56
  4. Step 4: Simplify right side
    33,231.64x = 619,948,933.61
  5. Step 5: Solve for x
    x = 619,948,933.61/33,231.64
  6. Step 6: Final answer
    x = 18,655.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.