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Finding the Fourth Proportional to 4,938.54, 7,408.36 and 1,651.86

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Solution

The fourth proportional to 4,938.54, 7,408.36 and 1,651.86 is: 2,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.54 : 7,408.36 = 1,651.86 : x
  2. Step 2: Convert to fraction form
    4,938.54/7,408.36 = 1,651.86/x
  3. Step 3: Cross multiply
    4,938.54x = 7,408.36 × 1,651.86
  4. Step 4: Simplify right side
    4,938.54x = 12,237,573.55
  5. Step 5: Solve for x
    x = 12,237,573.55/4,938.54
  6. Step 6: Final answer
    x = 2,477.97

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