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Finding the Fourth Proportional to 6,987.86, 10,481.80 and 1,793.74

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Solution

The fourth proportional to 6,987.86, 10,481.80 and 1,793.74 is: 2,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.86 : 10,481.80 = 1,793.74 : x
  2. Step 2: Convert to fraction form
    6,987.86/10,481.80 = 1,793.74/x
  3. Step 3: Cross multiply
    6,987.86x = 10,481.80 × 1,793.74
  4. Step 4: Simplify right side
    6,987.86x = 18,801,623.93
  5. Step 5: Solve for x
    x = 18,801,623.93/6,987.86
  6. Step 6: Final answer
    x = 2,690.61

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