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Finding the Fourth Proportional to 3,958.72, 5,936.40 and 1,184.56

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Solution

The fourth proportional to 3,958.72, 5,936.40 and 1,184.56 is: 1,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.72 : 5,936.40 = 1,184.56 : x
  2. Step 2: Convert to fraction form
    3,958.72/5,936.40 = 1,184.56/x
  3. Step 3: Cross multiply
    3,958.72x = 5,936.40 × 1,184.56
  4. Step 4: Simplify right side
    3,958.72x = 7,032,021.98
  5. Step 5: Solve for x
    x = 7,032,021.98/3,958.72
  6. Step 6: Final answer
    x = 1,776.34

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