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Finding the Fourth Proportional to 33,404.70, 50,107.05 and 13,697.40

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Solution

The fourth proportional to 33,404.70, 50,107.05 and 13,697.40 is: 20,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,404.70 : 50,107.05 = 13,697.40 : x
  2. Step 2: Convert to fraction form
    33,404.70/50,107.05 = 13,697.40/x
  3. Step 3: Cross multiply
    33,404.70x = 50,107.05 × 13,697.40
  4. Step 4: Simplify right side
    33,404.70x = 686,336,306.67
  5. Step 5: Solve for x
    x = 686,336,306.67/33,404.70
  6. Step 6: Final answer
    x = 20,546.10

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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.