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Finding the Fourth Proportional to 3,196.42, 4,791.53 and 1,964.18

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Solution

The fourth proportional to 3,196.42, 4,791.53 and 1,964.18 is: 2,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.42 : 4,791.53 = 1,964.18 : x
  2. Step 2: Convert to fraction form
    3,196.42/4,791.53 = 1,964.18/x
  3. Step 3: Cross multiply
    3,196.42x = 4,791.53 × 1,964.18
  4. Step 4: Simplify right side
    3,196.42x = 9,411,444.28
  5. Step 5: Solve for x
    x = 9,411,444.28/3,196.42
  6. Step 6: Final answer
    x = 2,944.37

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