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Finding the Fourth Proportional to 19,183.10, 28,768.98 and 8,647.04

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Solution

The fourth proportional to 19,183.10, 28,768.98 and 8,647.04 is: 12,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.10 : 28,768.98 = 8,647.04 : x
  2. Step 2: Convert to fraction form
    19,183.10/28,768.98 = 8,647.04/x
  3. Step 3: Cross multiply
    19,183.10x = 28,768.98 × 8,647.04
  4. Step 4: Simplify right side
    19,183.10x = 248,766,520.82
  5. Step 5: Solve for x
    x = 248,766,520.82/19,183.10
  6. Step 6: Final answer
    x = 12,968.00

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