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Finding the Fourth Proportional to 5,791.86, 8,689.41 and 1,842.84

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Solution

The fourth proportional to 5,791.86, 8,689.41 and 1,842.84 is: 2,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.86 : 8,689.41 = 1,842.84 : x
  2. Step 2: Convert to fraction form
    5,791.86/8,689.41 = 1,842.84/x
  3. Step 3: Cross multiply
    5,791.86x = 8,689.41 × 1,842.84
  4. Step 4: Simplify right side
    5,791.86x = 16,013,192.32
  5. Step 5: Solve for x
    x = 16,013,192.32/5,791.86
  6. Step 6: Final answer
    x = 2,764.78

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