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Finding the Fourth Proportional to 11,629.96, 17,422.20 and 9,294.88

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Solution

The fourth proportional to 11,629.96, 17,422.20 and 9,294.88 is: 13,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.96 : 17,422.20 = 9,294.88 : x
  2. Step 2: Convert to fraction form
    11,629.96/17,422.20 = 9,294.88/x
  3. Step 3: Cross multiply
    11,629.96x = 17,422.20 × 9,294.88
  4. Step 4: Simplify right side
    11,629.96x = 161,937,258.34
  5. Step 5: Solve for x
    x = 161,937,258.34/11,629.96
  6. Step 6: Final answer
    x = 13,924.15

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