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Finding the Fourth Proportional to 24,540.40, 33,865.50 and 13,362.40

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Solution

The fourth proportional to 24,540.40, 33,865.50 and 13,362.40 is: 18,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,540.40 : 33,865.50 = 13,362.40 : x
  2. Step 2: Convert to fraction form
    24,540.40/33,865.50 = 13,362.40/x
  3. Step 3: Cross multiply
    24,540.40x = 33,865.50 × 13,362.40
  4. Step 4: Simplify right side
    24,540.40x = 452,524,357.20
  5. Step 5: Solve for x
    x = 452,524,357.20/24,540.40
  6. Step 6: Final answer
    x = 18,439.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.