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Finding the Fourth Proportional to 10,793.79, 16,160.79 and 5,517.44

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Solution

The fourth proportional to 10,793.79, 16,160.79 and 5,517.44 is: 8,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.79 : 16,160.79 = 5,517.44 : x
  2. Step 2: Convert to fraction form
    10,793.79/16,160.79 = 5,517.44/x
  3. Step 3: Cross multiply
    10,793.79x = 16,160.79 × 5,517.44
  4. Step 4: Simplify right side
    10,793.79x = 89,166,219.60
  5. Step 5: Solve for x
    x = 89,166,219.60/10,793.79
  6. Step 6: Final answer
    x = 8,260.88

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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.