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Finding the Fourth Proportional to 16,926.45, 25,375.09 and 8,167.51

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Solution

The fourth proportional to 16,926.45, 25,375.09 and 8,167.51 is: 12,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,926.45 : 25,375.09 = 8,167.51 : x
  2. Step 2: Convert to fraction form
    16,926.45/25,375.09 = 8,167.51/x
  3. Step 3: Cross multiply
    16,926.45x = 25,375.09 × 8,167.51
  4. Step 4: Simplify right side
    16,926.45x = 207,251,301.33
  5. Step 5: Solve for x
    x = 207,251,301.33/16,926.45
  6. Step 6: Final answer
    x = 12,244.23

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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.