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Finding the Fourth Proportional to 16,819.74, 23,211.02 and 9,265.92

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Solution

The fourth proportional to 16,819.74, 23,211.02 and 9,265.92 is: 12,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.74 : 23,211.02 = 9,265.92 : x
  2. Step 2: Convert to fraction form
    16,819.74/23,211.02 = 9,265.92/x
  3. Step 3: Cross multiply
    16,819.74x = 23,211.02 × 9,265.92
  4. Step 4: Simplify right side
    16,819.74x = 215,071,454.44
  5. Step 5: Solve for x
    x = 215,071,454.44/16,819.74
  6. Step 6: Final answer
    x = 12,786.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.