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Finding the Fourth Proportional to 8,474.22, 11,693.79 and 4,747.50

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Solution

The fourth proportional to 8,474.22, 11,693.79 and 4,747.50 is: 6,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.22 : 11,693.79 = 4,747.50 : x
  2. Step 2: Convert to fraction form
    8,474.22/11,693.79 = 4,747.50/x
  3. Step 3: Cross multiply
    8,474.22x = 11,693.79 × 4,747.50
  4. Step 4: Simplify right side
    8,474.22x = 55,516,268.03
  5. Step 5: Solve for x
    x = 55,516,268.03/8,474.22
  6. Step 6: Final answer
    x = 6,551.20

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