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Finding the Fourth Proportional to 8,375.01, 12,550.79 and 6,293.69

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Solution

The fourth proportional to 8,375.01, 12,550.79 and 6,293.69 is: 9,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.01 : 12,550.79 = 6,293.69 : x
  2. Step 2: Convert to fraction form
    8,375.01/12,550.79 = 6,293.69/x
  3. Step 3: Cross multiply
    8,375.01x = 12,550.79 × 6,293.69
  4. Step 4: Simplify right side
    8,375.01x = 78,990,781.52
  5. Step 5: Solve for x
    x = 78,990,781.52/8,375.01
  6. Step 6: Final answer
    x = 9,431.72

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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.