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Finding the Fourth Proportional to 36,309.78, 54,474.03 and 11,350.62

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Solution

The fourth proportional to 36,309.78, 54,474.03 and 11,350.62 is: 17,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.78 : 54,474.03 = 11,350.62 : x
  2. Step 2: Convert to fraction form
    36,309.78/54,474.03 = 11,350.62/x
  3. Step 3: Cross multiply
    36,309.78x = 54,474.03 × 11,350.62
  4. Step 4: Simplify right side
    36,309.78x = 618,314,014.40
  5. Step 5: Solve for x
    x = 618,314,014.40/36,309.78
  6. Step 6: Final answer
    x = 17,028.86

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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.