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Finding the Fourth Proportional to 12,062.88, 18,093.24 and 5,401.44

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Solution

The fourth proportional to 12,062.88, 18,093.24 and 5,401.44 is: 8,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.88 : 18,093.24 = 5,401.44 : x
  2. Step 2: Convert to fraction form
    12,062.88/18,093.24 = 5,401.44/x
  3. Step 3: Cross multiply
    12,062.88x = 18,093.24 × 5,401.44
  4. Step 4: Simplify right side
    12,062.88x = 97,729,550.27
  5. Step 5: Solve for x
    x = 97,729,550.27/12,062.88
  6. Step 6: Final answer
    x = 8,101.68

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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.