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Finding the Fourth Proportional to 11,707.92, 17,565.96 and 5,863.20

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Solution

The fourth proportional to 11,707.92, 17,565.96 and 5,863.20 is: 8,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.92 : 17,565.96 = 5,863.20 : x
  2. Step 2: Convert to fraction form
    11,707.92/17,565.96 = 5,863.20/x
  3. Step 3: Cross multiply
    11,707.92x = 17,565.96 × 5,863.20
  4. Step 4: Simplify right side
    11,707.92x = 102,992,736.67
  5. Step 5: Solve for x
    x = 102,992,736.67/11,707.92
  6. Step 6: Final answer
    x = 8,796.84

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