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Finding the Fourth Proportional to 33,661.99, 46,451.44 and 18,553.82

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Solution

The fourth proportional to 33,661.99, 46,451.44 and 18,553.82 is: 25,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,661.99 : 46,451.44 = 18,553.82 : x
  2. Step 2: Convert to fraction form
    33,661.99/46,451.44 = 18,553.82/x
  3. Step 3: Cross multiply
    33,661.99x = 46,451.44 × 18,553.82
  4. Step 4: Simplify right side
    33,661.99x = 861,851,726.24
  5. Step 5: Solve for x
    x = 861,851,726.24/33,661.99
  6. Step 6: Final answer
    x = 25,603.11

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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.