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Finding the Fourth Proportional to 33,500.70, 50,279.40 and 13,793.40

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Solution

The fourth proportional to 33,500.70, 50,279.40 and 13,793.40 is: 20,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,500.70 : 50,279.40 = 13,793.40 : x
  2. Step 2: Convert to fraction form
    33,500.70/50,279.40 = 13,793.40/x
  3. Step 3: Cross multiply
    33,500.70x = 50,279.40 × 13,793.40
  4. Step 4: Simplify right side
    33,500.70x = 693,523,875.96
  5. Step 5: Solve for x
    x = 693,523,875.96/33,500.70
  6. Step 6: Final answer
    x = 20,701.77

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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.