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Finding the Fourth Proportional to 1,805.82, 2,707.29 and 1,147.02

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Solution

The fourth proportional to 1,805.82, 2,707.29 and 1,147.02 is: 1,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.82 : 2,707.29 = 1,147.02 : x
  2. Step 2: Convert to fraction form
    1,805.82/2,707.29 = 1,147.02/x
  3. Step 3: Cross multiply
    1,805.82x = 2,707.29 × 1,147.02
  4. Step 4: Simplify right side
    1,805.82x = 3,105,315.78
  5. Step 5: Solve for x
    x = 3,105,315.78/1,805.82
  6. Step 6: Final answer
    x = 1,719.62

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