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Finding the Fourth Proportional to 33,609.44, 50,414.64 and 8,648.88

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Solution

The fourth proportional to 33,609.44, 50,414.64 and 8,648.88 is: 12,973.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,609.44 : 50,414.64 = 8,648.88 : x
  2. Step 2: Convert to fraction form
    33,609.44/50,414.64 = 8,648.88/x
  3. Step 3: Cross multiply
    33,609.44x = 50,414.64 × 8,648.88
  4. Step 4: Simplify right side
    33,609.44x = 436,030,171.60
  5. Step 5: Solve for x
    x = 436,030,171.60/33,609.44
  6. Step 6: Final answer
    x = 12,973.44

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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.