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Finding the Fourth Proportional to 53,791.82, 80,687.70 and 16,351.76

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Solution

The fourth proportional to 53,791.82, 80,687.70 and 16,351.76 is: 24,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.82 : 80,687.70 = 16,351.76 : x
  2. Step 2: Convert to fraction form
    53,791.82/80,687.70 = 16,351.76/x
  3. Step 3: Cross multiply
    53,791.82x = 80,687.70 × 16,351.76
  4. Step 4: Simplify right side
    53,791.82x = 1,319,385,905.35
  5. Step 5: Solve for x
    x = 1,319,385,905.35/53,791.82
  6. Step 6: Final answer
    x = 24,527.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.