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Finding the Fourth Proportional to 8,124.56, 12,186.72 and 1,968.56

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Solution

The fourth proportional to 8,124.56, 12,186.72 and 1,968.56 is: 2,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.56 : 12,186.72 = 1,968.56 : x
  2. Step 2: Convert to fraction form
    8,124.56/12,186.72 = 1,968.56/x
  3. Step 3: Cross multiply
    8,124.56x = 12,186.72 × 1,968.56
  4. Step 4: Simplify right side
    8,124.56x = 23,990,289.52
  5. Step 5: Solve for x
    x = 23,990,289.52/8,124.56
  6. Step 6: Final answer
    x = 2,952.81

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