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Finding the Fourth Proportional to 5,217.81, 7,826.85 and 1,755.06

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Solution

The fourth proportional to 5,217.81, 7,826.85 and 1,755.06 is: 2,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.81 : 7,826.85 = 1,755.06 : x
  2. Step 2: Convert to fraction form
    5,217.81/7,826.85 = 1,755.06/x
  3. Step 3: Cross multiply
    5,217.81x = 7,826.85 × 1,755.06
  4. Step 4: Simplify right side
    5,217.81x = 13,736,591.36
  5. Step 5: Solve for x
    x = 13,736,591.36/5,217.81
  6. Step 6: Final answer
    x = 2,632.64

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