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Finding the Fourth Proportional to 20,364.82, 30,552.02 and 6,324.14

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Solution

The fourth proportional to 20,364.82, 30,552.02 and 6,324.14 is: 9,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.82 : 30,552.02 = 6,324.14 : x
  2. Step 2: Convert to fraction form
    20,364.82/30,552.02 = 6,324.14/x
  3. Step 3: Cross multiply
    20,364.82x = 30,552.02 × 6,324.14
  4. Step 4: Simplify right side
    20,364.82x = 193,215,251.76
  5. Step 5: Solve for x
    x = 193,215,251.76/20,364.82
  6. Step 6: Final answer
    x = 9,487.70

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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.