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Finding the Fourth Proportional to 6,337.73, 8,747.94 and 4,099.70

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Solution

The fourth proportional to 6,337.73, 8,747.94 and 4,099.70 is: 5,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337.73 : 8,747.94 = 4,099.70 : x
  2. Step 2: Convert to fraction form
    6,337.73/8,747.94 = 4,099.70/x
  3. Step 3: Cross multiply
    6,337.73x = 8,747.94 × 4,099.70
  4. Step 4: Simplify right side
    6,337.73x = 35,863,929.62
  5. Step 5: Solve for x
    x = 35,863,929.62/6,337.73
  6. Step 6: Final answer
    x = 5,658.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.