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Finding the Fourth Proportional to 3,969.84, 5,955.78 and 1,196.62

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Solution

The fourth proportional to 3,969.84, 5,955.78 and 1,196.62 is: 1,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.84 : 5,955.78 = 1,196.62 : x
  2. Step 2: Convert to fraction form
    3,969.84/5,955.78 = 1,196.62/x
  3. Step 3: Cross multiply
    3,969.84x = 5,955.78 × 1,196.62
  4. Step 4: Simplify right side
    3,969.84x = 7,126,805.46
  5. Step 5: Solve for x
    x = 7,126,805.46/3,969.84
  6. Step 6: Final answer
    x = 1,795.24

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