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Finding the Fourth Proportional to 5,600.98, 7,727.96 and 3,609.14

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Solution

The fourth proportional to 5,600.98, 7,727.96 and 3,609.14 is: 4,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.98 : 7,727.96 = 3,609.14 : x
  2. Step 2: Convert to fraction form
    5,600.98/7,727.96 = 3,609.14/x
  3. Step 3: Cross multiply
    5,600.98x = 7,727.96 × 3,609.14
  4. Step 4: Simplify right side
    5,600.98x = 27,891,283.11
  5. Step 5: Solve for x
    x = 27,891,283.11/5,600.98
  6. Step 6: Final answer
    x = 4,979.71

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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.