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Finding the Fourth Proportional to 3,226.97, 4,836.21 and 1,472.21

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Solution

The fourth proportional to 3,226.97, 4,836.21 and 1,472.21 is: 2,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.97 : 4,836.21 = 1,472.21 : x
  2. Step 2: Convert to fraction form
    3,226.97/4,836.21 = 1,472.21/x
  3. Step 3: Cross multiply
    3,226.97x = 4,836.21 × 1,472.21
  4. Step 4: Simplify right side
    3,226.97x = 7,119,905.16
  5. Step 5: Solve for x
    x = 7,119,905.16/3,226.97
  6. Step 6: Final answer
    x = 2,206.37

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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.