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Finding the Fourth Proportional to 19,906.76, 27,470.73 and 10,954.28

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Solution

The fourth proportional to 19,906.76, 27,470.73 and 10,954.28 is: 15,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.76 : 27,470.73 = 10,954.28 : x
  2. Step 2: Convert to fraction form
    19,906.76/27,470.73 = 10,954.28/x
  3. Step 3: Cross multiply
    19,906.76x = 27,470.73 × 10,954.28
  4. Step 4: Simplify right side
    19,906.76x = 300,922,068.22
  5. Step 5: Solve for x
    x = 300,922,068.22/19,906.76
  6. Step 6: Final answer
    x = 15,116.58

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