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Finding the Fourth Proportional to 2,096.78, 3,145.23 and 635.94

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Solution

The fourth proportional to 2,096.78, 3,145.23 and 635.94 is: 953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,096.78 : 3,145.23 = 635.94 : x
  2. Step 2: Convert to fraction form
    2,096.78/3,145.23 = 635.94/x
  3. Step 3: Cross multiply
    2,096.78x = 3,145.23 × 635.94
  4. Step 4: Simplify right side
    2,096.78x = 2,000,177.57
  5. Step 5: Solve for x
    x = 2,000,177.57/2,096.78
  6. Step 6: Final answer
    x = 953.93

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