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Finding the Fourth Proportional to 6,483.62, 9,715.71 and 3,883.70

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Solution

The fourth proportional to 6,483.62, 9,715.71 and 3,883.70 is: 5,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.62 : 9,715.71 = 3,883.70 : x
  2. Step 2: Convert to fraction form
    6,483.62/9,715.71 = 3,883.70/x
  3. Step 3: Cross multiply
    6,483.62x = 9,715.71 × 3,883.70
  4. Step 4: Simplify right side
    6,483.62x = 37,732,902.93
  5. Step 5: Solve for x
    x = 37,732,902.93/6,483.62
  6. Step 6: Final answer
    x = 5,819.73

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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.