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Finding the Fourth Proportional to 2,656.96, 3,986.25 and 1,359.34

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Solution

The fourth proportional to 2,656.96, 3,986.25 and 1,359.34 is: 2,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.96 : 3,986.25 = 1,359.34 : x
  2. Step 2: Convert to fraction form
    2,656.96/3,986.25 = 1,359.34/x
  3. Step 3: Cross multiply
    2,656.96x = 3,986.25 × 1,359.34
  4. Step 4: Simplify right side
    2,656.96x = 5,418,669.08
  5. Step 5: Solve for x
    x = 5,418,669.08/2,656.96
  6. Step 6: Final answer
    x = 2,039.42

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