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Finding the Fourth Proportional to 25,618.73, 38,414.79 and 9,819.09

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Solution

The fourth proportional to 25,618.73, 38,414.79 and 9,819.09 is: 14,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.73 : 38,414.79 = 9,819.09 : x
  2. Step 2: Convert to fraction form
    25,618.73/38,414.79 = 9,819.09/x
  3. Step 3: Cross multiply
    25,618.73x = 38,414.79 × 9,819.09
  4. Step 4: Simplify right side
    25,618.73x = 377,198,280.34
  5. Step 5: Solve for x
    x = 377,198,280.34/25,618.73
  6. Step 6: Final answer
    x = 14,723.54

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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.