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Finding the Fourth Proportional to 6,754.68, 10,128.58 and 3,944.48

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Solution

The fourth proportional to 6,754.68, 10,128.58 and 3,944.48 is: 5,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.68 : 10,128.58 = 3,944.48 : x
  2. Step 2: Convert to fraction form
    6,754.68/10,128.58 = 3,944.48/x
  3. Step 3: Cross multiply
    6,754.68x = 10,128.58 × 3,944.48
  4. Step 4: Simplify right side
    6,754.68x = 39,951,920.73
  5. Step 5: Solve for x
    x = 39,951,920.73/6,754.68
  6. Step 6: Final answer
    x = 5,914.70

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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.