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Finding the Fourth Proportional to 31,073.99, 42,882.17 and 16,926.53

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Solution

The fourth proportional to 31,073.99, 42,882.17 and 16,926.53 is: 23,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.99 : 42,882.17 = 16,926.53 : x
  2. Step 2: Convert to fraction form
    31,073.99/42,882.17 = 16,926.53/x
  3. Step 3: Cross multiply
    31,073.99x = 42,882.17 × 16,926.53
  4. Step 4: Simplify right side
    31,073.99x = 725,846,122.56
  5. Step 5: Solve for x
    x = 725,846,122.56/31,073.99
  6. Step 6: Final answer
    x = 23,358.64

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