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Finding the Fourth Proportional to 6,474.60, 9,711.91 and 2,774.43

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Solution

The fourth proportional to 6,474.60, 9,711.91 and 2,774.43 is: 4,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.60 : 9,711.91 = 2,774.43 : x
  2. Step 2: Convert to fraction form
    6,474.60/9,711.91 = 2,774.43/x
  3. Step 3: Cross multiply
    6,474.60x = 9,711.91 × 2,774.43
  4. Step 4: Simplify right side
    6,474.60x = 26,945,014.46
  5. Step 5: Solve for x
    x = 26,945,014.46/6,474.60
  6. Step 6: Final answer
    x = 4,161.65

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