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Finding the Fourth Proportional to 6,541.73, 9,811.22 and 2,158.16

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Solution

The fourth proportional to 6,541.73, 9,811.22 and 2,158.16 is: 3,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.73 : 9,811.22 = 2,158.16 : x
  2. Step 2: Convert to fraction form
    6,541.73/9,811.22 = 2,158.16/x
  3. Step 3: Cross multiply
    6,541.73x = 9,811.22 × 2,158.16
  4. Step 4: Simplify right side
    6,541.73x = 21,174,182.56
  5. Step 5: Solve for x
    x = 21,174,182.56/6,541.73
  6. Step 6: Final answer
    x = 3,236.79

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