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Finding the Fourth Proportional to 49,145.81, 67,821.05 and 26,789.81

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Solution

The fourth proportional to 49,145.81, 67,821.05 and 26,789.81 is: 36,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,145.81 : 67,821.05 = 26,789.81 : x
  2. Step 2: Convert to fraction form
    49,145.81/67,821.05 = 26,789.81/x
  3. Step 3: Cross multiply
    49,145.81x = 67,821.05 × 26,789.81
  4. Step 4: Simplify right side
    49,145.81x = 1,816,912,771.37
  5. Step 5: Solve for x
    x = 1,816,912,771.37/49,145.81
  6. Step 6: Final answer
    x = 36,969.84

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