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Finding the Fourth Proportional to 27,801.08, 41,665.46 and 21,203

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Solution

The fourth proportional to 27,801.08, 41,665.46 and 21,203 is: 31,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.08 : 41,665.46 = 21,203 : x
  2. Step 2: Convert to fraction form
    27,801.08/41,665.46 = 21,203/x
  3. Step 3: Cross multiply
    27,801.08x = 41,665.46 × 21,203
  4. Step 4: Simplify right side
    27,801.08x = 883,432,748.38
  5. Step 5: Solve for x
    x = 883,432,748.38/27,801.08
  6. Step 6: Final answer
    x = 31,776.92

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