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Finding the Fourth Proportional to 20,593.71, 30,872.07 and 9,494.73

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Solution

The fourth proportional to 20,593.71, 30,872.07 and 9,494.73 is: 14,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.71 : 30,872.07 = 9,494.73 : x
  2. Step 2: Convert to fraction form
    20,593.71/30,872.07 = 9,494.73/x
  3. Step 3: Cross multiply
    20,593.71x = 30,872.07 × 9,494.73
  4. Step 4: Simplify right side
    20,593.71x = 293,121,969.19
  5. Step 5: Solve for x
    x = 293,121,969.19/20,593.71
  6. Step 6: Final answer
    x = 14,233.57

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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.