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Finding the Fourth Proportional to 33,180, 45,791.76 and 19,031.52

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Solution

The fourth proportional to 33,180, 45,791.76 and 19,031.52 is: 26,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180 : 45,791.76 = 19,031.52 : x
  2. Step 2: Convert to fraction form
    33,180/45,791.76 = 19,031.52/x
  3. Step 3: Cross multiply
    33,180x = 45,791.76 × 19,031.52
  4. Step 4: Simplify right side
    33,180x = 871,486,796.28
  5. Step 5: Solve for x
    x = 871,486,796.28/33,180
  6. Step 6: Final answer
    x = 26,265.42

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