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Finding the Fourth Proportional to 55,811.00, 83,690.09 and 21,632.79

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Solution

The fourth proportional to 55,811.00, 83,690.09 and 21,632.79 is: 32,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,811.00 : 83,690.09 = 21,632.79 : x
  2. Step 2: Convert to fraction form
    55,811.00/83,690.09 = 21,632.79/x
  3. Step 3: Cross multiply
    55,811.00x = 83,690.09 × 21,632.79
  4. Step 4: Simplify right side
    55,811.00x = 1,810,450,033.89
  5. Step 5: Solve for x
    x = 1,810,450,033.89/55,811.00
  6. Step 6: Final answer
    x = 32,438.95

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