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Finding the Fourth Proportional to 1,968.82, 2,949.18 and 1,422.10

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Solution

The fourth proportional to 1,968.82, 2,949.18 and 1,422.10 is: 2,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.82 : 2,949.18 = 1,422.10 : x
  2. Step 2: Convert to fraction form
    1,968.82/2,949.18 = 1,422.10/x
  3. Step 3: Cross multiply
    1,968.82x = 2,949.18 × 1,422.10
  4. Step 4: Simplify right side
    1,968.82x = 4,194,028.88
  5. Step 5: Solve for x
    x = 4,194,028.88/1,968.82
  6. Step 6: Final answer
    x = 2,130.22

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