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Finding the Fourth Proportional to 41,612, 62,418 and 16,663.28

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Solution

The fourth proportional to 41,612, 62,418 and 16,663.28 is: 24,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,612 : 62,418 = 16,663.28 : x
  2. Step 2: Convert to fraction form
    41,612/62,418 = 16,663.28/x
  3. Step 3: Cross multiply
    41,612x = 62,418 × 16,663.28
  4. Step 4: Simplify right side
    41,612x = 1,040,088,611.04
  5. Step 5: Solve for x
    x = 1,040,088,611.04/41,612
  6. Step 6: Final answer
    x = 24,994.92

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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.