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Finding the Fourth Proportional to 29,189.87, 43,791.21 and 9,470.42

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Solution

The fourth proportional to 29,189.87, 43,791.21 and 9,470.42 is: 14,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,189.87 : 43,791.21 = 9,470.42 : x
  2. Step 2: Convert to fraction form
    29,189.87/43,791.21 = 9,470.42/x
  3. Step 3: Cross multiply
    29,189.87x = 43,791.21 × 9,470.42
  4. Step 4: Simplify right side
    29,189.87x = 414,721,151.01
  5. Step 5: Solve for x
    x = 414,721,151.01/29,189.87
  6. Step 6: Final answer
    x = 14,207.71

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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.