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Finding the Fourth Proportional to 8,126.96, 12,195.48 and 3,195.74

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Solution

The fourth proportional to 8,126.96, 12,195.48 and 3,195.74 is: 4,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.96 : 12,195.48 = 3,195.74 : x
  2. Step 2: Convert to fraction form
    8,126.96/12,195.48 = 3,195.74/x
  3. Step 3: Cross multiply
    8,126.96x = 12,195.48 × 3,195.74
  4. Step 4: Simplify right side
    8,126.96x = 38,973,583.26
  5. Step 5: Solve for x
    x = 38,973,583.26/8,126.96
  6. Step 6: Final answer
    x = 4,795.59

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