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Finding the Fourth Proportional to 11,943.44, 17,894.64 and 9,316.16

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Solution

The fourth proportional to 11,943.44, 17,894.64 and 9,316.16 is: 13,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.44 : 17,894.64 = 9,316.16 : x
  2. Step 2: Convert to fraction form
    11,943.44/17,894.64 = 9,316.16/x
  3. Step 3: Cross multiply
    11,943.44x = 17,894.64 × 9,316.16
  4. Step 4: Simplify right side
    11,943.44x = 166,709,329.38
  5. Step 5: Solve for x
    x = 166,709,329.38/11,943.44
  6. Step 6: Final answer
    x = 13,958.23

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