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Finding the Fourth Proportional to 16,546.20, 24,819.30 and 12,859.80

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Solution

The fourth proportional to 16,546.20, 24,819.30 and 12,859.80 is: 19,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,546.20 : 24,819.30 = 12,859.80 : x
  2. Step 2: Convert to fraction form
    16,546.20/24,819.30 = 12,859.80/x
  3. Step 3: Cross multiply
    16,546.20x = 24,819.30 × 12,859.80
  4. Step 4: Simplify right side
    16,546.20x = 319,171,234.14
  5. Step 5: Solve for x
    x = 319,171,234.14/16,546.20
  6. Step 6: Final answer
    x = 19,289.70

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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.