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Finding the Fourth Proportional to 3,584.78, 5,375.41 and 1,119.59

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Solution

The fourth proportional to 3,584.78, 5,375.41 and 1,119.59 is: 1,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.78 : 5,375.41 = 1,119.59 : x
  2. Step 2: Convert to fraction form
    3,584.78/5,375.41 = 1,119.59/x
  3. Step 3: Cross multiply
    3,584.78x = 5,375.41 × 1,119.59
  4. Step 4: Simplify right side
    3,584.78x = 6,018,255.28
  5. Step 5: Solve for x
    x = 6,018,255.28/3,584.78
  6. Step 6: Final answer
    x = 1,678.84

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