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Finding the Fourth Proportional to 6,160.07, 9,240.11 and 3,691.80

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Solution

The fourth proportional to 6,160.07, 9,240.11 and 3,691.80 is: 5,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.07 : 9,240.11 = 3,691.80 : x
  2. Step 2: Convert to fraction form
    6,160.07/9,240.11 = 3,691.80/x
  3. Step 3: Cross multiply
    6,160.07x = 9,240.11 × 3,691.80
  4. Step 4: Simplify right side
    6,160.07x = 34,112,619.64
  5. Step 5: Solve for x
    x = 34,112,619.64/6,160.07
  6. Step 6: Final answer
    x = 5,537.70

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