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Finding the Fourth Proportional to 7,791.60, 11,687.64 and 2,244.96

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Solution

The fourth proportional to 7,791.60, 11,687.64 and 2,244.96 is: 3,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.60 : 11,687.64 = 2,244.96 : x
  2. Step 2: Convert to fraction form
    7,791.60/11,687.64 = 2,244.96/x
  3. Step 3: Cross multiply
    7,791.60x = 11,687.64 × 2,244.96
  4. Step 4: Simplify right side
    7,791.60x = 26,238,284.29
  5. Step 5: Solve for x
    x = 26,238,284.29/7,791.60
  6. Step 6: Final answer
    x = 3,367.51

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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.