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Finding the Fourth Proportional to 57,968.84, 86,961.51 and 17,991.27

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Solution

The fourth proportional to 57,968.84, 86,961.51 and 17,991.27 is: 26,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,968.84 : 86,961.51 = 17,991.27 : x
  2. Step 2: Convert to fraction form
    57,968.84/86,961.51 = 17,991.27/x
  3. Step 3: Cross multiply
    57,968.84x = 86,961.51 × 17,991.27
  4. Step 4: Simplify right side
    57,968.84x = 1,564,548,006.02
  5. Step 5: Solve for x
    x = 1,564,548,006.02/57,968.84
  6. Step 6: Final answer
    x = 26,989.46

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