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Finding the Fourth Proportional to 3,529.42, 5,294.43 and 3,481.42

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Solution

The fourth proportional to 3,529.42, 5,294.43 and 3,481.42 is: 5,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.42 : 5,294.43 = 3,481.42 : x
  2. Step 2: Convert to fraction form
    3,529.42/5,294.43 = 3,481.42/x
  3. Step 3: Cross multiply
    3,529.42x = 5,294.43 × 3,481.42
  4. Step 4: Simplify right side
    3,529.42x = 18,432,134.49
  5. Step 5: Solve for x
    x = 18,432,134.49/3,529.42
  6. Step 6: Final answer
    x = 5,222.43

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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.