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Finding the Fourth Proportional to 9,166.80, 13,748.68 and 2,591.48

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Solution

The fourth proportional to 9,166.80, 13,748.68 and 2,591.48 is: 3,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.80 : 13,748.68 = 2,591.48 : x
  2. Step 2: Convert to fraction form
    9,166.80/13,748.68 = 2,591.48/x
  3. Step 3: Cross multiply
    9,166.80x = 13,748.68 × 2,591.48
  4. Step 4: Simplify right side
    9,166.80x = 35,629,429.25
  5. Step 5: Solve for x
    x = 35,629,429.25/9,166.80
  6. Step 6: Final answer
    x = 3,886.79

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