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Finding the Fourth Proportional to 3,266.03, 4,507.78 and 1,940.47

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Solution

The fourth proportional to 3,266.03, 4,507.78 and 1,940.47 is: 2,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.03 : 4,507.78 = 1,940.47 : x
  2. Step 2: Convert to fraction form
    3,266.03/4,507.78 = 1,940.47/x
  3. Step 3: Cross multiply
    3,266.03x = 4,507.78 × 1,940.47
  4. Step 4: Simplify right side
    3,266.03x = 8,747,202.15
  5. Step 5: Solve for x
    x = 8,747,202.15/3,266.03
  6. Step 6: Final answer
    x = 2,678.24

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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.