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Finding the Fourth Proportional to 18,161.92, 27,244.44 and 5,014.29

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Solution

The fourth proportional to 18,161.92, 27,244.44 and 5,014.29 is: 7,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.92 : 27,244.44 = 5,014.29 : x
  2. Step 2: Convert to fraction form
    18,161.92/27,244.44 = 5,014.29/x
  3. Step 3: Cross multiply
    18,161.92x = 27,244.44 × 5,014.29
  4. Step 4: Simplify right side
    18,161.92x = 136,611,523.05
  5. Step 5: Solve for x
    x = 136,611,523.05/18,161.92
  6. Step 6: Final answer
    x = 7,521.87

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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.