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Finding the Fourth Proportional to 17,926, 26,889 and 5,614

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Solution

The fourth proportional to 17,926, 26,889 and 5,614 is: 8,421

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,926 : 26,889 = 5,614 : x
  2. Step 2: Convert to fraction form
    17,926/26,889 = 5,614/x
  3. Step 3: Cross multiply
    17,926x = 26,889 × 5,614
  4. Step 4: Simplify right side
    17,926x = 150,954,846
  5. Step 5: Solve for x
    x = 150,954,846/17,926
  6. Step 6: Final answer
    x = 8,421

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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.