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Finding the Fourth Proportional to 33,788.78, 50,649.46 and 15,987.74

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Solution

The fourth proportional to 33,788.78, 50,649.46 and 15,987.74 is: 23,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,788.78 : 50,649.46 = 15,987.74 : x
  2. Step 2: Convert to fraction form
    33,788.78/50,649.46 = 15,987.74/x
  3. Step 3: Cross multiply
    33,788.78x = 50,649.46 × 15,987.74
  4. Step 4: Simplify right side
    33,788.78x = 809,770,397.62
  5. Step 5: Solve for x
    x = 809,770,397.62/33,788.78
  6. Step 6: Final answer
    x = 23,965.66

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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.