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Finding the Fourth Proportional to 20,194.69, 30,296.83 and 6,343.69

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Solution

The fourth proportional to 20,194.69, 30,296.83 and 6,343.69 is: 9,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.69 : 30,296.83 = 6,343.69 : x
  2. Step 2: Convert to fraction form
    20,194.69/30,296.83 = 6,343.69/x
  3. Step 3: Cross multiply
    20,194.69x = 30,296.83 × 6,343.69
  4. Step 4: Simplify right side
    20,194.69x = 192,193,697.50
  5. Step 5: Solve for x
    x = 192,193,697.50/20,194.69
  6. Step 6: Final answer
    x = 9,517.04

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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.