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Finding the Fourth Proportional to 3,474.05, 4,794.74 and 1,982.45

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Solution

The fourth proportional to 3,474.05, 4,794.74 and 1,982.45 is: 2,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.05 : 4,794.74 = 1,982.45 : x
  2. Step 2: Convert to fraction form
    3,474.05/4,794.74 = 1,982.45/x
  3. Step 3: Cross multiply
    3,474.05x = 4,794.74 × 1,982.45
  4. Step 4: Simplify right side
    3,474.05x = 9,505,298.43
  5. Step 5: Solve for x
    x = 9,505,298.43/3,474.05
  6. Step 6: Final answer
    x = 2,736.09

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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.