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Finding the Fourth Proportional to 33,443, 46,151.34 and 18,539

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Solution

The fourth proportional to 33,443, 46,151.34 and 18,539 is: 25,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,443 : 46,151.34 = 18,539 : x
  2. Step 2: Convert to fraction form
    33,443/46,151.34 = 18,539/x
  3. Step 3: Cross multiply
    33,443x = 46,151.34 × 18,539
  4. Step 4: Simplify right side
    33,443x = 855,599,692.26
  5. Step 5: Solve for x
    x = 855,599,692.26/33,443
  6. Step 6: Final answer
    x = 25,583.82

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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.