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Finding the Fourth Proportional to 17,479, 26,217.84 and 4,331.08

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Solution

The fourth proportional to 17,479, 26,217.84 and 4,331.08 is: 6,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479 : 26,217.84 = 4,331.08 : x
  2. Step 2: Convert to fraction form
    17,479/26,217.84 = 4,331.08/x
  3. Step 3: Cross multiply
    17,479x = 26,217.84 × 4,331.08
  4. Step 4: Simplify right side
    17,479x = 113,551,562.47
  5. Step 5: Solve for x
    x = 113,551,562.47/17,479
  6. Step 6: Final answer
    x = 6,496.46

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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.