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Finding the Fourth Proportional to 6,676.86, 10,019.25 and 3,717.78

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Solution

The fourth proportional to 6,676.86, 10,019.25 and 3,717.78 is: 5,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.86 : 10,019.25 = 3,717.78 : x
  2. Step 2: Convert to fraction form
    6,676.86/10,019.25 = 3,717.78/x
  3. Step 3: Cross multiply
    6,676.86x = 10,019.25 × 3,717.78
  4. Step 4: Simplify right side
    6,676.86x = 37,249,367.27
  5. Step 5: Solve for x
    x = 37,249,367.27/6,676.86
  6. Step 6: Final answer
    x = 5,578.87

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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.