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Finding the Fourth Proportional to 15,265.59, 22,906.89 and 8,245.46

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Solution

The fourth proportional to 15,265.59, 22,906.89 and 8,245.46 is: 12,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.59 : 22,906.89 = 8,245.46 : x
  2. Step 2: Convert to fraction form
    15,265.59/22,906.89 = 8,245.46/x
  3. Step 3: Cross multiply
    15,265.59x = 22,906.89 × 8,245.46
  4. Step 4: Simplify right side
    15,265.59x = 188,877,845.22
  5. Step 5: Solve for x
    x = 188,877,845.22/15,265.59
  6. Step 6: Final answer
    x = 12,372.78

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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.