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Finding the Fourth Proportional to 2,723.76, 4,084.22 and 968.09

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Solution

The fourth proportional to 2,723.76, 4,084.22 and 968.09 is: 1,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.76 : 4,084.22 = 968.09 : x
  2. Step 2: Convert to fraction form
    2,723.76/4,084.22 = 968.09/x
  3. Step 3: Cross multiply
    2,723.76x = 4,084.22 × 968.09
  4. Step 4: Simplify right side
    2,723.76x = 3,953,874.54
  5. Step 5: Solve for x
    x = 3,953,874.54/2,723.76
  6. Step 6: Final answer
    x = 1,451.62

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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.