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Finding the Fourth Proportional to 5,114.55, 7,668.39 and 1,781.94

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Solution

The fourth proportional to 5,114.55, 7,668.39 and 1,781.94 is: 2,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.55 : 7,668.39 = 1,781.94 : x
  2. Step 2: Convert to fraction form
    5,114.55/7,668.39 = 1,781.94/x
  3. Step 3: Cross multiply
    5,114.55x = 7,668.39 × 1,781.94
  4. Step 4: Simplify right side
    5,114.55x = 13,664,610.88
  5. Step 5: Solve for x
    x = 13,664,610.88/5,114.55
  6. Step 6: Final answer
    x = 2,671.71

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