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Finding the Fourth Proportional to 11,776.10, 17,653.17 and 3,979.46

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Solution

The fourth proportional to 11,776.10, 17,653.17 and 3,979.46 is: 5,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.10 : 17,653.17 = 3,979.46 : x
  2. Step 2: Convert to fraction form
    11,776.10/17,653.17 = 3,979.46/x
  3. Step 3: Cross multiply
    11,776.10x = 17,653.17 × 3,979.46
  4. Step 4: Simplify right side
    11,776.10x = 70,250,083.89
  5. Step 5: Solve for x
    x = 70,250,083.89/11,776.10
  6. Step 6: Final answer
    x = 5,965.48

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