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Finding the Fourth Proportional to 17,126, 25,689 and 4,814

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Solution

The fourth proportional to 17,126, 25,689 and 4,814 is: 7,221

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126 : 25,689 = 4,814 : x
  2. Step 2: Convert to fraction form
    17,126/25,689 = 4,814/x
  3. Step 3: Cross multiply
    17,126x = 25,689 × 4,814
  4. Step 4: Simplify right side
    17,126x = 123,666,846
  5. Step 5: Solve for x
    x = 123,666,846/17,126
  6. Step 6: Final answer
    x = 7,221

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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.