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Finding the Fourth Proportional to 3,654.54, 5,489.10 and 2,269.44

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Solution

The fourth proportional to 3,654.54, 5,489.10 and 2,269.44 is: 3,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.54 : 5,489.10 = 2,269.44 : x
  2. Step 2: Convert to fraction form
    3,654.54/5,489.10 = 2,269.44/x
  3. Step 3: Cross multiply
    3,654.54x = 5,489.10 × 2,269.44
  4. Step 4: Simplify right side
    3,654.54x = 12,457,183.10
  5. Step 5: Solve for x
    x = 12,457,183.10/3,654.54
  6. Step 6: Final answer
    x = 3,408.69

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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.