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Finding the Fourth Proportional to 8,061.31, 12,087.67 and 2,794.98

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Solution

The fourth proportional to 8,061.31, 12,087.67 and 2,794.98 is: 4,190.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.31 : 12,087.67 = 2,794.98 : x
  2. Step 2: Convert to fraction form
    8,061.31/12,087.67 = 2,794.98/x
  3. Step 3: Cross multiply
    8,061.31x = 12,087.67 × 2,794.98
  4. Step 4: Simplify right side
    8,061.31x = 33,784,795.90
  5. Step 5: Solve for x
    x = 33,784,795.90/8,061.31
  6. Step 6: Final answer
    x = 4,190.98

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