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Finding the Fourth Proportional to 10,793.77, 16,169.90 and 6,621.61

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Solution

The fourth proportional to 10,793.77, 16,169.90 and 6,621.61 is: 9,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.77 : 16,169.90 = 6,621.61 : x
  2. Step 2: Convert to fraction form
    10,793.77/16,169.90 = 6,621.61/x
  3. Step 3: Cross multiply
    10,793.77x = 16,169.90 × 6,621.61
  4. Step 4: Simplify right side
    10,793.77x = 107,070,771.54
  5. Step 5: Solve for x
    x = 107,070,771.54/10,793.77
  6. Step 6: Final answer
    x = 9,919.68

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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.