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Finding the Fourth Proportional to 6,336.72, 9,498.70 and 2,640.99

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Solution

The fourth proportional to 6,336.72, 9,498.70 and 2,640.99 is: 3,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336.72 : 9,498.70 = 2,640.99 : x
  2. Step 2: Convert to fraction form
    6,336.72/9,498.70 = 2,640.99/x
  3. Step 3: Cross multiply
    6,336.72x = 9,498.70 × 2,640.99
  4. Step 4: Simplify right side
    6,336.72x = 25,085,971.71
  5. Step 5: Solve for x
    x = 25,085,971.71/6,336.72
  6. Step 6: Final answer
    x = 3,958.83

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