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Finding the Fourth Proportional to 6,839.26, 10,258.89 and 5,281.54

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Solution

The fourth proportional to 6,839.26, 10,258.89 and 5,281.54 is: 7,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.26 : 10,258.89 = 5,281.54 : x
  2. Step 2: Convert to fraction form
    6,839.26/10,258.89 = 5,281.54/x
  3. Step 3: Cross multiply
    6,839.26x = 10,258.89 × 5,281.54
  4. Step 4: Simplify right side
    6,839.26x = 54,182,712.24
  5. Step 5: Solve for x
    x = 54,182,712.24/6,839.26
  6. Step 6: Final answer
    x = 7,922.30

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