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Finding the Fourth Proportional to 2,789.78, 4,185.41 and 2,483.71

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Solution

The fourth proportional to 2,789.78, 4,185.41 and 2,483.71 is: 3,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.78 : 4,185.41 = 2,483.71 : x
  2. Step 2: Convert to fraction form
    2,789.78/4,185.41 = 2,483.71/x
  3. Step 3: Cross multiply
    2,789.78x = 4,185.41 × 2,483.71
  4. Step 4: Simplify right side
    2,789.78x = 10,395,345.33
  5. Step 5: Solve for x
    x = 10,395,345.33/2,789.78
  6. Step 6: Final answer
    x = 3,726.23

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