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Finding the Fourth Proportional to 3,265.79, 4,505.31 and 2,006.73

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Solution

The fourth proportional to 3,265.79, 4,505.31 and 2,006.73 is: 2,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.79 : 4,505.31 = 2,006.73 : x
  2. Step 2: Convert to fraction form
    3,265.79/4,505.31 = 2,006.73/x
  3. Step 3: Cross multiply
    3,265.79x = 4,505.31 × 2,006.73
  4. Step 4: Simplify right side
    3,265.79x = 9,040,940.74
  5. Step 5: Solve for x
    x = 9,040,940.74/3,265.79
  6. Step 6: Final answer
    x = 2,768.38

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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.