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Finding the Fourth Proportional to 16,727, 25,092.18 and 4,415

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Solution

The fourth proportional to 16,727, 25,092.18 and 4,415 is: 6,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,727 : 25,092.18 = 4,415 : x
  2. Step 2: Convert to fraction form
    16,727/25,092.18 = 4,415/x
  3. Step 3: Cross multiply
    16,727x = 25,092.18 × 4,415
  4. Step 4: Simplify right side
    16,727x = 110,781,974.70
  5. Step 5: Solve for x
    x = 110,781,974.70/16,727
  6. Step 6: Final answer
    x = 6,622.94

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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.