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Finding the Fourth Proportional to 33,676.80, 50,428.80 and 32,121.60

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Solution

The fourth proportional to 33,676.80, 50,428.80 and 32,121.60 is: 48,099.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,676.80 : 50,428.80 = 32,121.60 : x
  2. Step 2: Convert to fraction form
    33,676.80/50,428.80 = 32,121.60/x
  3. Step 3: Cross multiply
    33,676.80x = 50,428.80 × 32,121.60
  4. Step 4: Simplify right side
    33,676.80x = 1,619,853,742.08
  5. Step 5: Solve for x
    x = 1,619,853,742.08/33,676.80
  6. Step 6: Final answer
    x = 48,099.99

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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.