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Finding the Fourth Proportional to 1,968.28, 2,953.10 and 873.41

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Solution

The fourth proportional to 1,968.28, 2,953.10 and 873.41 is: 1,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.28 : 2,953.10 = 873.41 : x
  2. Step 2: Convert to fraction form
    1,968.28/2,953.10 = 873.41/x
  3. Step 3: Cross multiply
    1,968.28x = 2,953.10 × 873.41
  4. Step 4: Simplify right side
    1,968.28x = 2,579,267.07
  5. Step 5: Solve for x
    x = 2,579,267.07/1,968.28
  6. Step 6: Final answer
    x = 1,310.42

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