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Finding the Fourth Proportional to 37,189.85, 55,791.82 and 12,237.03

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Solution

The fourth proportional to 37,189.85, 55,791.82 and 12,237.03 is: 18,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.85 : 55,791.82 = 12,237.03 : x
  2. Step 2: Convert to fraction form
    37,189.85/55,791.82 = 12,237.03/x
  3. Step 3: Cross multiply
    37,189.85x = 55,791.82 × 12,237.03
  4. Step 4: Simplify right side
    37,189.85x = 682,726,419.05
  5. Step 5: Solve for x
    x = 682,726,419.05/37,189.85
  6. Step 6: Final answer
    x = 18,357.87

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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.