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Finding the Fourth Proportional to 6,962.92, 9,608.82 and 3,819.12

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Solution

The fourth proportional to 6,962.92, 9,608.82 and 3,819.12 is: 5,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,962.92 : 9,608.82 = 3,819.12 : x
  2. Step 2: Convert to fraction form
    6,962.92/9,608.82 = 3,819.12/x
  3. Step 3: Cross multiply
    6,962.92x = 9,608.82 × 3,819.12
  4. Step 4: Simplify right side
    6,962.92x = 36,697,236.64
  5. Step 5: Solve for x
    x = 36,697,236.64/6,962.92
  6. Step 6: Final answer
    x = 5,270.38

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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.