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Finding the Fourth Proportional to 84,091.38, 126,149.31 and 24,919.38

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Solution

The fourth proportional to 84,091.38, 126,149.31 and 24,919.38 is: 37,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,091.38 : 126,149.31 = 24,919.38 : x
  2. Step 2: Convert to fraction form
    84,091.38/126,149.31 = 24,919.38/x
  3. Step 3: Cross multiply
    84,091.38x = 126,149.31 × 24,919.38
  4. Step 4: Simplify right side
    84,091.38x = 3,143,562,592.63
  5. Step 5: Solve for x
    x = 3,143,562,592.63/84,091.38
  6. Step 6: Final answer
    x = 37,382.70

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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.