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Finding the Fourth Proportional to 4,839.70, 7,259.55 and 2,247.70

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Solution

The fourth proportional to 4,839.70, 7,259.55 and 2,247.70 is: 3,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.70 : 7,259.55 = 2,247.70 : x
  2. Step 2: Convert to fraction form
    4,839.70/7,259.55 = 2,247.70/x
  3. Step 3: Cross multiply
    4,839.70x = 7,259.55 × 2,247.70
  4. Step 4: Simplify right side
    4,839.70x = 16,317,290.54
  5. Step 5: Solve for x
    x = 16,317,290.54/4,839.70
  6. Step 6: Final answer
    x = 3,371.55

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