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Finding the Fourth Proportional to 33,279.50, 49,920.88 and 9,906.14

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Solution

The fourth proportional to 33,279.50, 49,920.88 and 9,906.14 is: 14,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.50 : 49,920.88 = 9,906.14 : x
  2. Step 2: Convert to fraction form
    33,279.50/49,920.88 = 9,906.14/x
  3. Step 3: Cross multiply
    33,279.50x = 49,920.88 × 9,906.14
  4. Step 4: Simplify right side
    33,279.50x = 494,523,226.20
  5. Step 5: Solve for x
    x = 494,523,226.20/33,279.50
  6. Step 6: Final answer
    x = 14,859.70

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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.