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Finding the Fourth Proportional to 3,269.88, 4,510.94 and 1,942.83

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Solution

The fourth proportional to 3,269.88, 4,510.94 and 1,942.83 is: 2,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.88 : 4,510.94 = 1,942.83 : x
  2. Step 2: Convert to fraction form
    3,269.88/4,510.94 = 1,942.83/x
  3. Step 3: Cross multiply
    3,269.88x = 4,510.94 × 1,942.83
  4. Step 4: Simplify right side
    3,269.88x = 8,763,979.85
  5. Step 5: Solve for x
    x = 8,763,979.85/3,269.88
  6. Step 6: Final answer
    x = 2,680.21

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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.