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Finding the Fourth Proportional to 3,994.97, 5,500.51 and 3,396.28

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Solution

The fourth proportional to 3,994.97, 5,500.51 and 3,396.28 is: 4,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.97 : 5,500.51 = 3,396.28 : x
  2. Step 2: Convert to fraction form
    3,994.97/5,500.51 = 3,396.28/x
  3. Step 3: Cross multiply
    3,994.97x = 5,500.51 × 3,396.28
  4. Step 4: Simplify right side
    3,994.97x = 18,681,255.12
  5. Step 5: Solve for x
    x = 18,681,255.12/3,994.97
  6. Step 6: Final answer
    x = 4,676.20

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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.