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Finding the Fourth Proportional to 6,606.94, 9,910.39 and 1,676.57

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Solution

The fourth proportional to 6,606.94, 9,910.39 and 1,676.57 is: 2,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.94 : 9,910.39 = 1,676.57 : x
  2. Step 2: Convert to fraction form
    6,606.94/9,910.39 = 1,676.57/x
  3. Step 3: Cross multiply
    6,606.94x = 9,910.39 × 1,676.57
  4. Step 4: Simplify right side
    6,606.94x = 16,615,462.56
  5. Step 5: Solve for x
    x = 16,615,462.56/6,606.94
  6. Step 6: Final answer
    x = 2,514.85

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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.