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Finding the Fourth Proportional to 8,901.31, 13,351.81 and 3,635.16

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Solution

The fourth proportional to 8,901.31, 13,351.81 and 3,635.16 is: 5,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.31 : 13,351.81 = 3,635.16 : x
  2. Step 2: Convert to fraction form
    8,901.31/13,351.81 = 3,635.16/x
  3. Step 3: Cross multiply
    8,901.31x = 13,351.81 × 3,635.16
  4. Step 4: Simplify right side
    8,901.31x = 48,535,965.64
  5. Step 5: Solve for x
    x = 48,535,965.64/8,901.31
  6. Step 6: Final answer
    x = 5,452.68

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