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Finding the Fourth Proportional to 2,361.28, 3,536.44 and 2,279.28

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Solution

The fourth proportional to 2,361.28, 3,536.44 and 2,279.28 is: 3,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.28 : 3,536.44 = 2,279.28 : x
  2. Step 2: Convert to fraction form
    2,361.28/3,536.44 = 2,279.28/x
  3. Step 3: Cross multiply
    2,361.28x = 3,536.44 × 2,279.28
  4. Step 4: Simplify right side
    2,361.28x = 8,060,536.96
  5. Step 5: Solve for x
    x = 8,060,536.96/2,361.28
  6. Step 6: Final answer
    x = 3,413.63

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Why These Related Problems?

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