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Finding the Fourth Proportional to 2,963.22, 4,443.88 and 1,208.22

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Solution

The fourth proportional to 2,963.22, 4,443.88 and 1,208.22 is: 1,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.22 : 4,443.88 = 1,208.22 : x
  2. Step 2: Convert to fraction form
    2,963.22/4,443.88 = 1,208.22/x
  3. Step 3: Cross multiply
    2,963.22x = 4,443.88 × 1,208.22
  4. Step 4: Simplify right side
    2,963.22x = 5,369,184.69
  5. Step 5: Solve for x
    x = 5,369,184.69/2,963.22
  6. Step 6: Final answer
    x = 1,811.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.