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Finding the Fourth Proportional to 16,220, 24,330 and 3,908

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Solution

The fourth proportional to 16,220, 24,330 and 3,908 is: 5,862

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220 : 24,330 = 3,908 : x
  2. Step 2: Convert to fraction form
    16,220/24,330 = 3,908/x
  3. Step 3: Cross multiply
    16,220x = 24,330 × 3,908
  4. Step 4: Simplify right side
    16,220x = 95,081,640
  5. Step 5: Solve for x
    x = 95,081,640/16,220
  6. Step 6: Final answer
    x = 5,862

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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.