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Finding the Fourth Proportional to 11,848.29, 17,759.81 and 8,917.53

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Solution

The fourth proportional to 11,848.29, 17,759.81 and 8,917.53 is: 13,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.29 : 17,759.81 = 8,917.53 : x
  2. Step 2: Convert to fraction form
    11,848.29/17,759.81 = 8,917.53/x
  3. Step 3: Cross multiply
    11,848.29x = 17,759.81 × 8,917.53
  4. Step 4: Simplify right side
    11,848.29x = 158,373,593.88
  5. Step 5: Solve for x
    x = 158,373,593.88/11,848.29
  6. Step 6: Final answer
    x = 13,366.79

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