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Finding the Fourth Proportional to 10,662.28, 15,993.42 and 3,266.71

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Solution

The fourth proportional to 10,662.28, 15,993.42 and 3,266.71 is: 4,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.28 : 15,993.42 = 3,266.71 : x
  2. Step 2: Convert to fraction form
    10,662.28/15,993.42 = 3,266.71/x
  3. Step 3: Cross multiply
    10,662.28x = 15,993.42 × 3,266.71
  4. Step 4: Simplify right side
    10,662.28x = 52,245,865.05
  5. Step 5: Solve for x
    x = 52,245,865.05/10,662.28
  6. Step 6: Final answer
    x = 4,900.07

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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.