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Finding the Fourth Proportional to 23,404.60, 35,105.10 and 10,920.88

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Solution

The fourth proportional to 23,404.60, 35,105.10 and 10,920.88 is: 16,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,404.60 : 35,105.10 = 10,920.88 : x
  2. Step 2: Convert to fraction form
    23,404.60/35,105.10 = 10,920.88/x
  3. Step 3: Cross multiply
    23,404.60x = 35,105.10 × 10,920.88
  4. Step 4: Simplify right side
    23,404.60x = 383,378,584.49
  5. Step 5: Solve for x
    x = 383,378,584.49/23,404.60
  6. Step 6: Final answer
    x = 16,380.48

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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.