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Finding the Fourth Proportional to 19,400.31, 29,099.66 and 5,549.31

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Solution

The fourth proportional to 19,400.31, 29,099.66 and 5,549.31 is: 8,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.31 : 29,099.66 = 5,549.31 : x
  2. Step 2: Convert to fraction form
    19,400.31/29,099.66 = 5,549.31/x
  3. Step 3: Cross multiply
    19,400.31x = 29,099.66 × 5,549.31
  4. Step 4: Simplify right side
    19,400.31x = 161,483,006.49
  5. Step 5: Solve for x
    x = 161,483,006.49/19,400.31
  6. Step 6: Final answer
    x = 8,323.73

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