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Finding the Fourth Proportional to 3,397.11, 5,096.17 and 1,205.65

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Solution

The fourth proportional to 3,397.11, 5,096.17 and 1,205.65 is: 1,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.11 : 5,096.17 = 1,205.65 : x
  2. Step 2: Convert to fraction form
    3,397.11/5,096.17 = 1,205.65/x
  3. Step 3: Cross multiply
    3,397.11x = 5,096.17 × 1,205.65
  4. Step 4: Simplify right side
    3,397.11x = 6,144,198.46
  5. Step 5: Solve for x
    x = 6,144,198.46/3,397.11
  6. Step 6: Final answer
    x = 1,808.66

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