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Finding the Fourth Proportional to 6,241.46, 8,609.36 and 3,721.98

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Solution

The fourth proportional to 6,241.46, 8,609.36 and 3,721.98 is: 5,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.46 : 8,609.36 = 3,721.98 : x
  2. Step 2: Convert to fraction form
    6,241.46/8,609.36 = 3,721.98/x
  3. Step 3: Cross multiply
    6,241.46x = 8,609.36 × 3,721.98
  4. Step 4: Simplify right side
    6,241.46x = 32,043,865.73
  5. Step 5: Solve for x
    x = 32,043,865.73/6,241.46
  6. Step 6: Final answer
    x = 5,134.03

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1.5x scale

Why These Related Problems?

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