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Finding the Fourth Proportional to 3,369.44, 4,650.20 and 2,043.20

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Solution

The fourth proportional to 3,369.44, 4,650.20 and 2,043.20 is: 2,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.44 : 4,650.20 = 2,043.20 : x
  2. Step 2: Convert to fraction form
    3,369.44/4,650.20 = 2,043.20/x
  3. Step 3: Cross multiply
    3,369.44x = 4,650.20 × 2,043.20
  4. Step 4: Simplify right side
    3,369.44x = 9,501,288.64
  5. Step 5: Solve for x
    x = 9,501,288.64/3,369.44
  6. Step 6: Final answer
    x = 2,819.84

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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.