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Finding the Fourth Proportional to 4,489.28, 6,736.72 and 1,716.18

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Solution

The fourth proportional to 4,489.28, 6,736.72 and 1,716.18 is: 2,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.28 : 6,736.72 = 1,716.18 : x
  2. Step 2: Convert to fraction form
    4,489.28/6,736.72 = 1,716.18/x
  3. Step 3: Cross multiply
    4,489.28x = 6,736.72 × 1,716.18
  4. Step 4: Simplify right side
    4,489.28x = 11,561,415.55
  5. Step 5: Solve for x
    x = 11,561,415.55/4,489.28
  6. Step 6: Final answer
    x = 2,575.34

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