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Finding the Fourth Proportional to 33,774, 46,611 and 18,872.88

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Solution

The fourth proportional to 33,774, 46,611 and 18,872.88 is: 26,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,774 : 46,611 = 18,872.88 : x
  2. Step 2: Convert to fraction form
    33,774/46,611 = 18,872.88/x
  3. Step 3: Cross multiply
    33,774x = 46,611 × 18,872.88
  4. Step 4: Simplify right side
    33,774x = 879,683,809.68
  5. Step 5: Solve for x
    x = 879,683,809.68/33,774
  6. Step 6: Final answer
    x = 26,046.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.