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Finding the Fourth Proportional to 33,099.38, 45,676.04 and 18,949.49

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Solution

The fourth proportional to 33,099.38, 45,676.04 and 18,949.49 is: 26,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,099.38 : 45,676.04 = 18,949.49 : x
  2. Step 2: Convert to fraction form
    33,099.38/45,676.04 = 18,949.49/x
  3. Step 3: Cross multiply
    33,099.38x = 45,676.04 × 18,949.49
  4. Step 4: Simplify right side
    33,099.38x = 865,537,682.66
  5. Step 5: Solve for x
    x = 865,537,682.66/33,099.38
  6. Step 6: Final answer
    x = 26,149.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.