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Finding the Fourth Proportional to 8,481.75, 12,723.78 and 2,933.60

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Solution

The fourth proportional to 8,481.75, 12,723.78 and 2,933.60 is: 4,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.75 : 12,723.78 = 2,933.60 : x
  2. Step 2: Convert to fraction form
    8,481.75/12,723.78 = 2,933.60/x
  3. Step 3: Cross multiply
    8,481.75x = 12,723.78 × 2,933.60
  4. Step 4: Simplify right side
    8,481.75x = 37,326,466.34
  5. Step 5: Solve for x
    x = 37,326,466.34/8,481.75
  6. Step 6: Final answer
    x = 4,400.80

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