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Finding the Fourth Proportional to 11,892.44, 17,856.12 and 11,682.45

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Solution

The fourth proportional to 11,892.44, 17,856.12 and 11,682.45 is: 17,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.44 : 17,856.12 = 11,682.45 : x
  2. Step 2: Convert to fraction form
    11,892.44/17,856.12 = 11,682.45/x
  3. Step 3: Cross multiply
    11,892.44x = 17,856.12 × 11,682.45
  4. Step 4: Simplify right side
    11,892.44x = 208,603,229.09
  5. Step 5: Solve for x
    x = 208,603,229.09/11,892.44
  6. Step 6: Final answer
    x = 17,540.83

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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.