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Finding the Fourth Proportional to 5,105.62, 7,658.47 and 2,795.86

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Solution

The fourth proportional to 5,105.62, 7,658.47 and 2,795.86 is: 4,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.62 : 7,658.47 = 2,795.86 : x
  2. Step 2: Convert to fraction form
    5,105.62/7,658.47 = 2,795.86/x
  3. Step 3: Cross multiply
    5,105.62x = 7,658.47 × 2,795.86
  4. Step 4: Simplify right side
    5,105.62x = 21,412,009.93
  5. Step 5: Solve for x
    x = 21,412,009.93/5,105.62
  6. Step 6: Final answer
    x = 4,193.81

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