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Finding the Fourth Proportional to 20,495.03, 30,754.49 and 8,014.41

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Solution

The fourth proportional to 20,495.03, 30,754.49 and 8,014.41 is: 12,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495.03 : 30,754.49 = 8,014.41 : x
  2. Step 2: Convert to fraction form
    20,495.03/30,754.49 = 8,014.41/x
  3. Step 3: Cross multiply
    20,495.03x = 30,754.49 × 8,014.41
  4. Step 4: Simplify right side
    20,495.03x = 246,479,052.13
  5. Step 5: Solve for x
    x = 246,479,052.13/20,495.03
  6. Step 6: Final answer
    x = 12,026.29

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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.