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Finding the Fourth Proportional to 3,306.70, 4,964.10 and 3,282.40

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Solution

The fourth proportional to 3,306.70, 4,964.10 and 3,282.40 is: 4,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.70 : 4,964.10 = 3,282.40 : x
  2. Step 2: Convert to fraction form
    3,306.70/4,964.10 = 3,282.40/x
  3. Step 3: Cross multiply
    3,306.70x = 4,964.10 × 3,282.40
  4. Step 4: Simplify right side
    3,306.70x = 16,294,161.84
  5. Step 5: Solve for x
    x = 16,294,161.84/3,306.70
  6. Step 6: Final answer
    x = 4,927.62

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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.