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Finding the Fourth Proportional to 33,855.74, 50,819.85 and 28,654.32

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Solution

The fourth proportional to 33,855.74, 50,819.85 and 28,654.32 is: 43,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,855.74 : 50,819.85 = 28,654.32 : x
  2. Step 2: Convert to fraction form
    33,855.74/50,819.85 = 28,654.32/x
  3. Step 3: Cross multiply
    33,855.74x = 50,819.85 × 28,654.32
  4. Step 4: Simplify right side
    33,855.74x = 1,456,208,244.25
  5. Step 5: Solve for x
    x = 1,456,208,244.25/33,855.74
  6. Step 6: Final answer
    x = 43,012.16

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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.