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Finding the Fourth Proportional to 5,505.92, 7,604.40 and 3,734.44

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Solution

The fourth proportional to 5,505.92, 7,604.40 and 3,734.44 is: 5,157.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.92 : 7,604.40 = 3,734.44 : x
  2. Step 2: Convert to fraction form
    5,505.92/7,604.40 = 3,734.44/x
  3. Step 3: Cross multiply
    5,505.92x = 7,604.40 × 3,734.44
  4. Step 4: Simplify right side
    5,505.92x = 28,398,175.54
  5. Step 5: Solve for x
    x = 28,398,175.54/5,505.92
  6. Step 6: Final answer
    x = 5,157.75

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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.