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Finding the Fourth Proportional to 35,906.97, 53,832.70 and 18,128.48

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Solution

The fourth proportional to 35,906.97, 53,832.70 and 18,128.48 is: 27,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,906.97 : 53,832.70 = 18,128.48 : x
  2. Step 2: Convert to fraction form
    35,906.97/53,832.70 = 18,128.48/x
  3. Step 3: Cross multiply
    35,906.97x = 53,832.70 × 18,128.48
  4. Step 4: Simplify right side
    35,906.97x = 975,904,710.81
  5. Step 5: Solve for x
    x = 975,904,710.81/35,906.97
  6. Step 6: Final answer
    x = 27,178.70

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