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Finding the Fourth Proportional to 2,939.94, 4,408.34 and 1,356.98

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Solution

The fourth proportional to 2,939.94, 4,408.34 and 1,356.98 is: 2,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.94 : 4,408.34 = 1,356.98 : x
  2. Step 2: Convert to fraction form
    2,939.94/4,408.34 = 1,356.98/x
  3. Step 3: Cross multiply
    2,939.94x = 4,408.34 × 1,356.98
  4. Step 4: Simplify right side
    2,939.94x = 5,982,000.39
  5. Step 5: Solve for x
    x = 5,982,000.39/2,939.94
  6. Step 6: Final answer
    x = 2,034.74

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