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Finding the Fourth Proportional to 12,134.66, 18,201.16 and 3,249.97

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Solution

The fourth proportional to 12,134.66, 18,201.16 and 3,249.97 is: 4,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.66 : 18,201.16 = 3,249.97 : x
  2. Step 2: Convert to fraction form
    12,134.66/18,201.16 = 3,249.97/x
  3. Step 3: Cross multiply
    12,134.66x = 18,201.16 × 3,249.97
  4. Step 4: Simplify right side
    12,134.66x = 59,153,266.63
  5. Step 5: Solve for x
    x = 59,153,266.63/12,134.66
  6. Step 6: Final answer
    x = 4,874.74

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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.