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Finding the Fourth Proportional to 27,825.78, 41,743.53 and 12,243

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Solution

The fourth proportional to 27,825.78, 41,743.53 and 12,243 is: 18,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.78 : 41,743.53 = 12,243 : x
  2. Step 2: Convert to fraction form
    27,825.78/41,743.53 = 12,243/x
  3. Step 3: Cross multiply
    27,825.78x = 41,743.53 × 12,243
  4. Step 4: Simplify right side
    27,825.78x = 511,066,037.79
  5. Step 5: Solve for x
    x = 511,066,037.79/27,825.78
  6. Step 6: Final answer
    x = 18,366.64

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