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Finding the Fourth Proportional to 27,917.40, 41,811.30 and 19,104.60

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Solution

The fourth proportional to 27,917.40, 41,811.30 and 19,104.60 is: 28,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.40 : 41,811.30 = 19,104.60 : x
  2. Step 2: Convert to fraction form
    27,917.40/41,811.30 = 19,104.60/x
  3. Step 3: Cross multiply
    27,917.40x = 41,811.30 × 19,104.60
  4. Step 4: Simplify right side
    27,917.40x = 798,788,161.98
  5. Step 5: Solve for x
    x = 798,788,161.98/27,917.40
  6. Step 6: Final answer
    x = 28,612.56

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