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Finding the Fourth Proportional to 11,928.16, 17,893.11 and 3,163

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Solution

The fourth proportional to 11,928.16, 17,893.11 and 3,163 is: 4,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.16 : 17,893.11 = 3,163 : x
  2. Step 2: Convert to fraction form
    11,928.16/17,893.11 = 3,163/x
  3. Step 3: Cross multiply
    11,928.16x = 17,893.11 × 3,163
  4. Step 4: Simplify right side
    11,928.16x = 56,595,906.93
  5. Step 5: Solve for x
    x = 56,595,906.93/11,928.16
  6. Step 6: Final answer
    x = 4,744.73

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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.