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Finding the Fourth Proportional to 12,167.67, 16,779.20 and 8,975.55

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Solution

The fourth proportional to 12,167.67, 16,779.20 and 8,975.55 is: 12,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.67 : 16,779.20 = 8,975.55 : x
  2. Step 2: Convert to fraction form
    12,167.67/16,779.20 = 8,975.55/x
  3. Step 3: Cross multiply
    12,167.67x = 16,779.20 × 8,975.55
  4. Step 4: Simplify right side
    12,167.67x = 150,602,503.68
  5. Step 5: Solve for x
    x = 150,602,503.68/12,167.67
  6. Step 6: Final answer
    x = 12,377.27

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