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Finding the Fourth Proportional to 4,851.84, 7,277.76 and 3,218.82

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Solution

The fourth proportional to 4,851.84, 7,277.76 and 3,218.82 is: 4,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.84 : 7,277.76 = 3,218.82 : x
  2. Step 2: Convert to fraction form
    4,851.84/7,277.76 = 3,218.82/x
  3. Step 3: Cross multiply
    4,851.84x = 7,277.76 × 3,218.82
  4. Step 4: Simplify right side
    4,851.84x = 23,425,799.44
  5. Step 5: Solve for x
    x = 23,425,799.44/4,851.84
  6. Step 6: Final answer
    x = 4,828.23

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