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Finding the Fourth Proportional to 29,162.80, 43,757.04 and 15,308.56

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Solution

The fourth proportional to 29,162.80, 43,757.04 and 15,308.56 is: 22,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,162.80 : 43,757.04 = 15,308.56 : x
  2. Step 2: Convert to fraction form
    29,162.80/43,757.04 = 15,308.56/x
  3. Step 3: Cross multiply
    29,162.80x = 43,757.04 × 15,308.56
  4. Step 4: Simplify right side
    29,162.80x = 669,857,272.26
  5. Step 5: Solve for x
    x = 669,857,272.26/29,162.80
  6. Step 6: Final answer
    x = 22,969.58

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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.