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Finding the Fourth Proportional to 33,659.40, 50,489.10 and 16,120.20

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Solution

The fourth proportional to 33,659.40, 50,489.10 and 16,120.20 is: 24,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,659.40 : 50,489.10 = 16,120.20 : x
  2. Step 2: Convert to fraction form
    33,659.40/50,489.10 = 16,120.20/x
  3. Step 3: Cross multiply
    33,659.40x = 50,489.10 × 16,120.20
  4. Step 4: Simplify right side
    33,659.40x = 813,894,389.82
  5. Step 5: Solve for x
    x = 813,894,389.82/33,659.40
  6. Step 6: Final answer
    x = 24,180.30

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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.