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Finding the Fourth Proportional to 29,049.56, 43,559.76 and 13,478.12

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Solution

The fourth proportional to 29,049.56, 43,559.76 and 13,478.12 is: 20,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,049.56 : 43,559.76 = 13,478.12 : x
  2. Step 2: Convert to fraction form
    29,049.56/43,559.76 = 13,478.12/x
  3. Step 3: Cross multiply
    29,049.56x = 43,559.76 × 13,478.12
  4. Step 4: Simplify right side
    29,049.56x = 587,103,672.45
  5. Step 5: Solve for x
    x = 587,103,672.45/29,049.56
  6. Step 6: Final answer
    x = 20,210.42

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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.