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Finding the Fourth Proportional to 18,500.21, 27,753.22 and 6,017.31

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Solution

The fourth proportional to 18,500.21, 27,753.22 and 6,017.31 is: 9,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.21 : 27,753.22 = 6,017.31 : x
  2. Step 2: Convert to fraction form
    18,500.21/27,753.22 = 6,017.31/x
  3. Step 3: Cross multiply
    18,500.21x = 27,753.22 × 6,017.31
  4. Step 4: Simplify right side
    18,500.21x = 166,999,797.62
  5. Step 5: Solve for x
    x = 166,999,797.62/18,500.21
  6. Step 6: Final answer
    x = 9,026.91

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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.