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Finding the Fourth Proportional to 11,845.75, 17,758.16 and 4,831.63

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Solution

The fourth proportional to 11,845.75, 17,758.16 and 4,831.63 is: 7,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.75 : 17,758.16 = 4,831.63 : x
  2. Step 2: Convert to fraction form
    11,845.75/17,758.16 = 4,831.63/x
  3. Step 3: Cross multiply
    11,845.75x = 17,758.16 × 4,831.63
  4. Step 4: Simplify right side
    11,845.75x = 85,800,901.26
  5. Step 5: Solve for x
    x = 85,800,901.26/11,845.75
  6. Step 6: Final answer
    x = 7,243.18

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