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Finding the Fourth Proportional to 7,470.91, 11,202.58 and 4,183.12

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Solution

The fourth proportional to 7,470.91, 11,202.58 and 4,183.12 is: 6,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.91 : 11,202.58 = 4,183.12 : x
  2. Step 2: Convert to fraction form
    7,470.91/11,202.58 = 4,183.12/x
  3. Step 3: Cross multiply
    7,470.91x = 11,202.58 × 4,183.12
  4. Step 4: Simplify right side
    7,470.91x = 46,861,736.45
  5. Step 5: Solve for x
    x = 46,861,736.45/7,470.91
  6. Step 6: Final answer
    x = 6,272.56

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