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Finding the Fourth Proportional to 20,016, 30,024.42 and 6,165

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Solution

The fourth proportional to 20,016, 30,024.42 and 6,165 is: 9,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016 : 30,024.42 = 6,165 : x
  2. Step 2: Convert to fraction form
    20,016/30,024.42 = 6,165/x
  3. Step 3: Cross multiply
    20,016x = 30,024.42 × 6,165
  4. Step 4: Simplify right side
    20,016x = 185,100,549.30
  5. Step 5: Solve for x
    x = 185,100,549.30/20,016
  6. Step 6: Final answer
    x = 9,247.63

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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.