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Finding the Fourth Proportional to 17,609.31, 26,414.03 and 4,461.68

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Solution

The fourth proportional to 17,609.31, 26,414.03 and 4,461.68 is: 6,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609.31 : 26,414.03 = 4,461.68 : x
  2. Step 2: Convert to fraction form
    17,609.31/26,414.03 = 4,461.68/x
  3. Step 3: Cross multiply
    17,609.31x = 26,414.03 × 4,461.68
  4. Step 4: Simplify right side
    17,609.31x = 117,850,794.99
  5. Step 5: Solve for x
    x = 117,850,794.99/17,609.31
  6. Step 6: Final answer
    x = 6,692.53

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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.