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Finding the Fourth Proportional to 6,978.27, 9,630.18 and 3,834.54

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Solution

The fourth proportional to 6,978.27, 9,630.18 and 3,834.54 is: 5,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978.27 : 9,630.18 = 3,834.54 : x
  2. Step 2: Convert to fraction form
    6,978.27/9,630.18 = 3,834.54/x
  3. Step 3: Cross multiply
    6,978.27x = 9,630.18 × 3,834.54
  4. Step 4: Simplify right side
    6,978.27x = 36,927,310.42
  5. Step 5: Solve for x
    x = 36,927,310.42/6,978.27
  6. Step 6: Final answer
    x = 5,291.76

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