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Finding the Fourth Proportional to 3,093.28, 4,617.80 and 2,985.28

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Solution

The fourth proportional to 3,093.28, 4,617.80 and 2,985.28 is: 4,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.28 : 4,617.80 = 2,985.28 : x
  2. Step 2: Convert to fraction form
    3,093.28/4,617.80 = 2,985.28/x
  3. Step 3: Cross multiply
    3,093.28x = 4,617.80 × 2,985.28
  4. Step 4: Simplify right side
    3,093.28x = 13,785,425.98
  5. Step 5: Solve for x
    x = 13,785,425.98/3,093.28
  6. Step 6: Final answer
    x = 4,456.57

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