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Finding the Fourth Proportional to 3,576.70, 5,391.86 and 3,338.83

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Solution

The fourth proportional to 3,576.70, 5,391.86 and 3,338.83 is: 5,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.70 : 5,391.86 = 3,338.83 : x
  2. Step 2: Convert to fraction form
    3,576.70/5,391.86 = 3,338.83/x
  3. Step 3: Cross multiply
    3,576.70x = 5,391.86 × 3,338.83
  4. Step 4: Simplify right side
    3,576.70x = 18,002,503.92
  5. Step 5: Solve for x
    x = 18,002,503.92/3,576.70
  6. Step 6: Final answer
    x = 5,033.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.