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Finding the Fourth Proportional to 38,919.75, 58,393.41 and 19,212.15

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Solution

The fourth proportional to 38,919.75, 58,393.41 and 19,212.15 is: 28,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.75 : 58,393.41 = 19,212.15 : x
  2. Step 2: Convert to fraction form
    38,919.75/58,393.41 = 19,212.15/x
  3. Step 3: Cross multiply
    38,919.75x = 58,393.41 × 19,212.15
  4. Step 4: Simplify right side
    38,919.75x = 1,121,862,951.93
  5. Step 5: Solve for x
    x = 1,121,862,951.93/38,919.75
  6. Step 6: Final answer
    x = 28,825.03

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