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Finding the Fourth Proportional to 3,266.27, 4,890.71 and 2,228.32

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Solution

The fourth proportional to 3,266.27, 4,890.71 and 2,228.32 is: 3,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.27 : 4,890.71 = 2,228.32 : x
  2. Step 2: Convert to fraction form
    3,266.27/4,890.71 = 2,228.32/x
  3. Step 3: Cross multiply
    3,266.27x = 4,890.71 × 2,228.32
  4. Step 4: Simplify right side
    3,266.27x = 10,898,043.54
  5. Step 5: Solve for x
    x = 10,898,043.54/3,266.27
  6. Step 6: Final answer
    x = 3,336.55

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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.