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Finding the Fourth Proportional to 5,453.76, 8,177.76 and 1,942.08

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Solution

The fourth proportional to 5,453.76, 8,177.76 and 1,942.08 is: 2,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.76 : 8,177.76 = 1,942.08 : x
  2. Step 2: Convert to fraction form
    5,453.76/8,177.76 = 1,942.08/x
  3. Step 3: Cross multiply
    5,453.76x = 8,177.76 × 1,942.08
  4. Step 4: Simplify right side
    5,453.76x = 15,881,864.14
  5. Step 5: Solve for x
    x = 15,881,864.14/5,453.76
  6. Step 6: Final answer
    x = 2,912.09

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