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Finding the Fourth Proportional to 4,932.75, 7,396.89 and 1,421.94

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Solution

The fourth proportional to 4,932.75, 7,396.89 and 1,421.94 is: 2,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.75 : 7,396.89 = 1,421.94 : x
  2. Step 2: Convert to fraction form
    4,932.75/7,396.89 = 1,421.94/x
  3. Step 3: Cross multiply
    4,932.75x = 7,396.89 × 1,421.94
  4. Step 4: Simplify right side
    4,932.75x = 10,517,933.77
  5. Step 5: Solve for x
    x = 10,517,933.77/4,932.75
  6. Step 6: Final answer
    x = 2,132.27

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