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Finding the Fourth Proportional to 11,785.97, 17,675.22 and 3,992.96

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Solution

The fourth proportional to 11,785.97, 17,675.22 and 3,992.96 is: 5,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.97 : 17,675.22 = 3,992.96 : x
  2. Step 2: Convert to fraction form
    11,785.97/17,675.22 = 3,992.96/x
  3. Step 3: Cross multiply
    11,785.97x = 17,675.22 × 3,992.96
  4. Step 4: Simplify right side
    11,785.97x = 70,576,446.45
  5. Step 5: Solve for x
    x = 70,576,446.45/11,785.97
  6. Step 6: Final answer
    x = 5,988.17

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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.