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Finding the Fourth Proportional to 8,241.14, 12,361.57 and 2,001.20

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Solution

The fourth proportional to 8,241.14, 12,361.57 and 2,001.20 is: 3,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.14 : 12,361.57 = 2,001.20 : x
  2. Step 2: Convert to fraction form
    8,241.14/12,361.57 = 2,001.20/x
  3. Step 3: Cross multiply
    8,241.14x = 12,361.57 × 2,001.20
  4. Step 4: Simplify right side
    8,241.14x = 24,737,973.88
  5. Step 5: Solve for x
    x = 24,737,973.88/8,241.14
  6. Step 6: Final answer
    x = 3,001.77

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1.5x scale

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.