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Finding the Fourth Proportional to 18,644.46, 27,960.03 and 6,162.18

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Solution

The fourth proportional to 18,644.46, 27,960.03 and 6,162.18 is: 9,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.46 : 27,960.03 = 6,162.18 : x
  2. Step 2: Convert to fraction form
    18,644.46/27,960.03 = 6,162.18/x
  3. Step 3: Cross multiply
    18,644.46x = 27,960.03 × 6,162.18
  4. Step 4: Simplify right side
    18,644.46x = 172,294,737.67
  5. Step 5: Solve for x
    x = 172,294,737.67/18,644.46
  6. Step 6: Final answer
    x = 9,241.07

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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.