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Finding the Fourth Proportional to 17,726.62, 26,588.31 and 5,414.62

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Solution

The fourth proportional to 17,726.62, 26,588.31 and 5,414.62 is: 8,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,726.62 : 26,588.31 = 5,414.62 : x
  2. Step 2: Convert to fraction form
    17,726.62/26,588.31 = 5,414.62/x
  3. Step 3: Cross multiply
    17,726.62x = 26,588.31 × 5,414.62
  4. Step 4: Simplify right side
    17,726.62x = 143,965,595.09
  5. Step 5: Solve for x
    x = 143,965,595.09/17,726.62
  6. Step 6: Final answer
    x = 8,121.44

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1.5x scale

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.