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Finding the Fourth Proportional to 7,297.75, 10,944.61 and 3,136.86

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Solution

The fourth proportional to 7,297.75, 10,944.61 and 3,136.86 is: 4,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.75 : 10,944.61 = 3,136.86 : x
  2. Step 2: Convert to fraction form
    7,297.75/10,944.61 = 3,136.86/x
  3. Step 3: Cross multiply
    7,297.75x = 10,944.61 × 3,136.86
  4. Step 4: Simplify right side
    7,297.75x = 34,331,743.24
  5. Step 5: Solve for x
    x = 34,331,743.24/7,297.75
  6. Step 6: Final answer
    x = 4,704.43

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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.