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Finding the Fourth Proportional to 2,672.73, 4,008.18 and 1,355.97

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Solution

The fourth proportional to 2,672.73, 4,008.18 and 1,355.97 is: 2,033.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.73 : 4,008.18 = 1,355.97 : x
  2. Step 2: Convert to fraction form
    2,672.73/4,008.18 = 1,355.97/x
  3. Step 3: Cross multiply
    2,672.73x = 4,008.18 × 1,355.97
  4. Step 4: Simplify right side
    2,672.73x = 5,434,991.95
  5. Step 5: Solve for x
    x = 5,434,991.95/2,672.73
  6. Step 6: Final answer
    x = 2,033.50

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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.