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Finding the Fourth Proportional to 1,762.11, 2,644.08 and 1,279.14

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Solution

The fourth proportional to 1,762.11, 2,644.08 and 1,279.14 is: 1,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.11 : 2,644.08 = 1,279.14 : x
  2. Step 2: Convert to fraction form
    1,762.11/2,644.08 = 1,279.14/x
  3. Step 3: Cross multiply
    1,762.11x = 2,644.08 × 1,279.14
  4. Step 4: Simplify right side
    1,762.11x = 3,382,148.49
  5. Step 5: Solve for x
    x = 3,382,148.49/1,762.11
  6. Step 6: Final answer
    x = 1,919.37

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