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Finding the Fourth Proportional to 57,126.15, 85,692.87 and 17,679.96

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Solution

The fourth proportional to 57,126.15, 85,692.87 and 17,679.96 is: 26,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.15 : 85,692.87 = 17,679.96 : x
  2. Step 2: Convert to fraction form
    57,126.15/85,692.87 = 17,679.96/x
  3. Step 3: Cross multiply
    57,126.15x = 85,692.87 × 17,679.96
  4. Step 4: Simplify right side
    57,126.15x = 1,515,046,513.89
  5. Step 5: Solve for x
    x = 1,515,046,513.89/57,126.15
  6. Step 6: Final answer
    x = 26,521.07

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