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Finding the Fourth Proportional to 51,574.80, 77,366.20 and 21,992.84

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Solution

The fourth proportional to 51,574.80, 77,366.20 and 21,992.84 is: 32,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,574.80 : 77,366.20 = 21,992.84 : x
  2. Step 2: Convert to fraction form
    51,574.80/77,366.20 = 21,992.84/x
  3. Step 3: Cross multiply
    51,574.80x = 77,366.20 × 21,992.84
  4. Step 4: Simplify right side
    51,574.80x = 1,701,502,458.01
  5. Step 5: Solve for x
    x = 1,701,502,458.01/51,574.80
  6. Step 6: Final answer
    x = 32,990.97

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