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Finding the Fourth Proportional to 7,361.62, 11,036.62 and 3,661.83

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Solution

The fourth proportional to 7,361.62, 11,036.62 and 3,661.83 is: 5,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.62 : 11,036.62 = 3,661.83 : x
  2. Step 2: Convert to fraction form
    7,361.62/11,036.62 = 3,661.83/x
  3. Step 3: Cross multiply
    7,361.62x = 11,036.62 × 3,661.83
  4. Step 4: Simplify right side
    7,361.62x = 40,414,152.72
  5. Step 5: Solve for x
    x = 40,414,152.72/7,361.62
  6. Step 6: Final answer
    x = 5,489.85

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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.