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Finding the Fourth Proportional to 33,433.58, 50,169.90 and 12,658.70

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Solution

The fourth proportional to 33,433.58, 50,169.90 and 12,658.70 is: 18,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,433.58 : 50,169.90 = 12,658.70 : x
  2. Step 2: Convert to fraction form
    33,433.58/50,169.90 = 12,658.70/x
  3. Step 3: Cross multiply
    33,433.58x = 50,169.90 × 12,658.70
  4. Step 4: Simplify right side
    33,433.58x = 635,085,713.13
  5. Step 5: Solve for x
    x = 635,085,713.13/33,433.58
  6. Step 6: Final answer
    x = 18,995.44

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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.