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Finding the Fourth Proportional to 3,338.62, 5,012.01 and 3,059.78

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Solution

The fourth proportional to 3,338.62, 5,012.01 and 3,059.78 is: 4,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.62 : 5,012.01 = 3,059.78 : x
  2. Step 2: Convert to fraction form
    3,338.62/5,012.01 = 3,059.78/x
  3. Step 3: Cross multiply
    3,338.62x = 5,012.01 × 3,059.78
  4. Step 4: Simplify right side
    3,338.62x = 15,335,622.90
  5. Step 5: Solve for x
    x = 15,335,622.90/3,338.62
  6. Step 6: Final answer
    x = 4,593.41

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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.