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Finding the Fourth Proportional to 33,451.54, 50,181.90 and 19,418.16

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Solution

The fourth proportional to 33,451.54, 50,181.90 and 19,418.16 is: 29,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,451.54 : 50,181.90 = 19,418.16 : x
  2. Step 2: Convert to fraction form
    33,451.54/50,181.90 = 19,418.16/x
  3. Step 3: Cross multiply
    33,451.54x = 50,181.90 × 19,418.16
  4. Step 4: Simplify right side
    33,451.54x = 974,439,912.39
  5. Step 5: Solve for x
    x = 974,439,912.39/33,451.54
  6. Step 6: Final answer
    x = 29,129.90

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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.