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Finding the Fourth Proportional to 20,029.43, 30,035.03 and 10,667.04

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Solution

The fourth proportional to 20,029.43, 30,035.03 and 10,667.04 is: 15,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.43 : 30,035.03 = 10,667.04 : x
  2. Step 2: Convert to fraction form
    20,029.43/30,035.03 = 10,667.04/x
  3. Step 3: Cross multiply
    20,029.43x = 30,035.03 × 10,667.04
  4. Step 4: Simplify right side
    20,029.43x = 320,384,813.08
  5. Step 5: Solve for x
    x = 320,384,813.08/20,029.43
  6. Step 6: Final answer
    x = 15,995.71

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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.