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Finding the Fourth Proportional to 4,309.97, 6,463.94 and 2,747.68

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Solution

The fourth proportional to 4,309.97, 6,463.94 and 2,747.68 is: 4,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.97 : 6,463.94 = 2,747.68 : x
  2. Step 2: Convert to fraction form
    4,309.97/6,463.94 = 2,747.68/x
  3. Step 3: Cross multiply
    4,309.97x = 6,463.94 × 2,747.68
  4. Step 4: Simplify right side
    4,309.97x = 17,760,808.76
  5. Step 5: Solve for x
    x = 17,760,808.76/4,309.97
  6. Step 6: Final answer
    x = 4,120.87

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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.