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Finding the Fourth Proportional to 22,457.05, 33,685.67 and 5,815.90

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Solution

The fourth proportional to 22,457.05, 33,685.67 and 5,815.90 is: 8,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.05 : 33,685.67 = 5,815.90 : x
  2. Step 2: Convert to fraction form
    22,457.05/33,685.67 = 5,815.90/x
  3. Step 3: Cross multiply
    22,457.05x = 33,685.67 × 5,815.90
  4. Step 4: Simplify right side
    22,457.05x = 195,912,544.80
  5. Step 5: Solve for x
    x = 195,912,544.80/22,457.05
  6. Step 6: Final answer
    x = 8,723.88

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