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Finding the Fourth Proportional to 36,057.78, 54,091.80 and 11,099.90

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Solution

The fourth proportional to 36,057.78, 54,091.80 and 11,099.90 is: 16,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,057.78 : 54,091.80 = 11,099.90 : x
  2. Step 2: Convert to fraction form
    36,057.78/54,091.80 = 11,099.90/x
  3. Step 3: Cross multiply
    36,057.78x = 54,091.80 × 11,099.90
  4. Step 4: Simplify right side
    36,057.78x = 600,413,570.82
  5. Step 5: Solve for x
    x = 600,413,570.82/36,057.78
  6. Step 6: Final answer
    x = 16,651.43

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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.