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Finding the Fourth Proportional to 12,598.26, 18,891.91 and 3,831.12

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Solution

The fourth proportional to 12,598.26, 18,891.91 and 3,831.12 is: 5,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598.26 : 18,891.91 = 3,831.12 : x
  2. Step 2: Convert to fraction form
    12,598.26/18,891.91 = 3,831.12/x
  3. Step 3: Cross multiply
    12,598.26x = 18,891.91 × 3,831.12
  4. Step 4: Simplify right side
    12,598.26x = 72,377,174.24
  5. Step 5: Solve for x
    x = 72,377,174.24/12,598.26
  6. Step 6: Final answer
    x = 5,745.01

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