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Finding the Fourth Proportional to 8,791.89, 13,188.24 and 4,893.36

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Solution

The fourth proportional to 8,791.89, 13,188.24 and 4,893.36 is: 7,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.89 : 13,188.24 = 4,893.36 : x
  2. Step 2: Convert to fraction form
    8,791.89/13,188.24 = 4,893.36/x
  3. Step 3: Cross multiply
    8,791.89x = 13,188.24 × 4,893.36
  4. Step 4: Simplify right side
    8,791.89x = 64,534,806.09
  5. Step 5: Solve for x
    x = 64,534,806.09/8,791.89
  6. Step 6: Final answer
    x = 7,340.27

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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.