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Finding the Fourth Proportional to 11,121.91, 16,683.06 and 3,724.99

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Solution

The fourth proportional to 11,121.91, 16,683.06 and 3,724.99 is: 5,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.91 : 16,683.06 = 3,724.99 : x
  2. Step 2: Convert to fraction form
    11,121.91/16,683.06 = 3,724.99/x
  3. Step 3: Cross multiply
    11,121.91x = 16,683.06 × 3,724.99
  4. Step 4: Simplify right side
    11,121.91x = 62,144,231.67
  5. Step 5: Solve for x
    x = 62,144,231.67/11,121.91
  6. Step 6: Final answer
    x = 5,587.55

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