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Finding the Fourth Proportional to 3,462.75, 4,778.60 and 1,890.84

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Solution

The fourth proportional to 3,462.75, 4,778.60 and 1,890.84 is: 2,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.75 : 4,778.60 = 1,890.84 : x
  2. Step 2: Convert to fraction form
    3,462.75/4,778.60 = 1,890.84/x
  3. Step 3: Cross multiply
    3,462.75x = 4,778.60 × 1,890.84
  4. Step 4: Simplify right side
    3,462.75x = 9,035,576.49
  5. Step 5: Solve for x
    x = 9,035,576.49/3,462.75
  6. Step 6: Final answer
    x = 2,609.36

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