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Finding the Fourth Proportional to 17,956, 26,938.36 and 5,644

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Solution

The fourth proportional to 17,956, 26,938.36 and 5,644 is: 8,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956 : 26,938.36 = 5,644 : x
  2. Step 2: Convert to fraction form
    17,956/26,938.36 = 5,644/x
  3. Step 3: Cross multiply
    17,956x = 26,938.36 × 5,644
  4. Step 4: Simplify right side
    17,956x = 152,040,103.84
  5. Step 5: Solve for x
    x = 152,040,103.84/17,956
  6. Step 6: Final answer
    x = 8,467.37

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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.