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Finding the Fourth Proportional to 29,059.38, 43,589.07 and 20,311.38

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Solution

The fourth proportional to 29,059.38, 43,589.07 and 20,311.38 is: 30,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,059.38 : 43,589.07 = 20,311.38 : x
  2. Step 2: Convert to fraction form
    29,059.38/43,589.07 = 20,311.38/x
  3. Step 3: Cross multiply
    29,059.38x = 43,589.07 × 20,311.38
  4. Step 4: Simplify right side
    29,059.38x = 885,354,164.62
  5. Step 5: Solve for x
    x = 885,354,164.62/29,059.38
  6. Step 6: Final answer
    x = 30,467.07

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Similar ratio
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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.