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Finding the Fourth Proportional to 26,986.54, 40,497.78 and 9,456.34

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Solution

The fourth proportional to 26,986.54, 40,497.78 and 9,456.34 is: 14,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.54 : 40,497.78 = 9,456.34 : x
  2. Step 2: Convert to fraction form
    26,986.54/40,497.78 = 9,456.34/x
  3. Step 3: Cross multiply
    26,986.54x = 40,497.78 × 9,456.34
  4. Step 4: Simplify right side
    26,986.54x = 382,960,776.93
  5. Step 5: Solve for x
    x = 382,960,776.93/26,986.54
  6. Step 6: Final answer
    x = 14,190.81

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