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Finding the Fourth Proportional to 17,764, 26,646 and 5,452

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Solution

The fourth proportional to 17,764, 26,646 and 5,452 is: 8,178

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764 : 26,646 = 5,452 : x
  2. Step 2: Convert to fraction form
    17,764/26,646 = 5,452/x
  3. Step 3: Cross multiply
    17,764x = 26,646 × 5,452
  4. Step 4: Simplify right side
    17,764x = 145,273,992
  5. Step 5: Solve for x
    x = 145,273,992/17,764
  6. Step 6: Final answer
    x = 8,178

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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.