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Finding the Fourth Proportional to 33,156, 45,755.37 and 18,252

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Solution

The fourth proportional to 33,156, 45,755.37 and 18,252 is: 25,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,156 : 45,755.37 = 18,252 : x
  2. Step 2: Convert to fraction form
    33,156/45,755.37 = 18,252/x
  3. Step 3: Cross multiply
    33,156x = 45,755.37 × 18,252
  4. Step 4: Simplify right side
    33,156x = 835,127,013.24
  5. Step 5: Solve for x
    x = 835,127,013.24/33,156
  6. Step 6: Final answer
    x = 25,187.81

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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.