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Finding the Fourth Proportional to 2,249.81, 3,375.26 and 710.81

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Solution

The fourth proportional to 2,249.81, 3,375.26 and 710.81 is: 1,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.81 : 3,375.26 = 710.81 : x
  2. Step 2: Convert to fraction form
    2,249.81/3,375.26 = 710.81/x
  3. Step 3: Cross multiply
    2,249.81x = 3,375.26 × 710.81
  4. Step 4: Simplify right side
    2,249.81x = 2,399,176.11
  5. Step 5: Solve for x
    x = 2,399,176.11/2,249.81
  6. Step 6: Final answer
    x = 1,066.39

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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.