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Finding the Fourth Proportional to 33,978.87, 46,887.39 and 19,839.92

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Solution

The fourth proportional to 33,978.87, 46,887.39 and 19,839.92 is: 27,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,978.87 : 46,887.39 = 19,839.92 : x
  2. Step 2: Convert to fraction form
    33,978.87/46,887.39 = 19,839.92/x
  3. Step 3: Cross multiply
    33,978.87x = 46,887.39 × 19,839.92
  4. Step 4: Simplify right side
    33,978.87x = 930,241,832.17
  5. Step 5: Solve for x
    x = 930,241,832.17/33,978.87
  6. Step 6: Final answer
    x = 27,377.07

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