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Finding the Fourth Proportional to 33,820.40, 50,730.60 and 32,207.60

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Solution

The fourth proportional to 33,820.40, 50,730.60 and 32,207.60 is: 48,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.40 : 50,730.60 = 32,207.60 : x
  2. Step 2: Convert to fraction form
    33,820.40/50,730.60 = 32,207.60/x
  3. Step 3: Cross multiply
    33,820.40x = 50,730.60 × 32,207.60
  4. Step 4: Simplify right side
    33,820.40x = 1,633,910,872.56
  5. Step 5: Solve for x
    x = 1,633,910,872.56/33,820.40
  6. Step 6: Final answer
    x = 48,311.40

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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.