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Finding the Fourth Proportional to 55,961.97, 83,942.96 and 38,378.49

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Solution

The fourth proportional to 55,961.97, 83,942.96 and 38,378.49 is: 57,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,961.97 : 83,942.96 = 38,378.49 : x
  2. Step 2: Convert to fraction form
    55,961.97/83,942.96 = 38,378.49/x
  3. Step 3: Cross multiply
    55,961.97x = 83,942.96 × 38,378.49
  4. Step 4: Simplify right side
    55,961.97x = 3,221,603,859.04
  5. Step 5: Solve for x
    x = 3,221,603,859.04/55,961.97
  6. Step 6: Final answer
    x = 57,567.74

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