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Finding the Fourth Proportional to 3,443.46, 4,753.56 and 2,311.08

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Solution

The fourth proportional to 3,443.46, 4,753.56 and 2,311.08 is: 3,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.46 : 4,753.56 = 2,311.08 : x
  2. Step 2: Convert to fraction form
    3,443.46/4,753.56 = 2,311.08/x
  3. Step 3: Cross multiply
    3,443.46x = 4,753.56 × 2,311.08
  4. Step 4: Simplify right side
    3,443.46x = 10,985,857.44
  5. Step 5: Solve for x
    x = 10,985,857.44/3,443.46
  6. Step 6: Final answer
    x = 3,190.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.