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Finding the Fourth Proportional to 24,245.32, 33,456.18 and 13,638.28

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Solution

The fourth proportional to 24,245.32, 33,456.18 and 13,638.28 is: 18,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,245.32 : 33,456.18 = 13,638.28 : x
  2. Step 2: Convert to fraction form
    24,245.32/33,456.18 = 13,638.28/x
  3. Step 3: Cross multiply
    24,245.32x = 33,456.18 × 13,638.28
  4. Step 4: Simplify right side
    24,245.32x = 456,284,750.57
  5. Step 5: Solve for x
    x = 456,284,750.57/24,245.32
  6. Step 6: Final answer
    x = 18,819.50

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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.