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Finding the Fourth Proportional to 6,361.32, 9,529.22 and 3,241.20

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Solution

The fourth proportional to 6,361.32, 9,529.22 and 3,241.20 is: 4,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.32 : 9,529.22 = 3,241.20 : x
  2. Step 2: Convert to fraction form
    6,361.32/9,529.22 = 3,241.20/x
  3. Step 3: Cross multiply
    6,361.32x = 9,529.22 × 3,241.20
  4. Step 4: Simplify right side
    6,361.32x = 30,886,124.90
  5. Step 5: Solve for x
    x = 30,886,124.90/6,361.32
  6. Step 6: Final answer
    x = 4,855.30

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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.