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Finding the Fourth Proportional to 33,297.29, 49,947.86 and 12,520.97

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Solution

The fourth proportional to 33,297.29, 49,947.86 and 12,520.97 is: 18,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,297.29 : 49,947.86 = 12,520.97 : x
  2. Step 2: Convert to fraction form
    33,297.29/49,947.86 = 12,520.97/x
  3. Step 3: Cross multiply
    33,297.29x = 49,947.86 × 12,520.97
  4. Step 4: Simplify right side
    33,297.29x = 625,395,656.62
  5. Step 5: Solve for x
    x = 625,395,656.62/33,297.29
  6. Step 6: Final answer
    x = 18,782.18

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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.