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Finding the Fourth Proportional to 60,690.52, 90,972.60 and 33,997.37

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Solution

The fourth proportional to 60,690.52, 90,972.60 and 33,997.37 is: 50,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,690.52 : 90,972.60 = 33,997.37 : x
  2. Step 2: Convert to fraction form
    60,690.52/90,972.60 = 33,997.37/x
  3. Step 3: Cross multiply
    60,690.52x = 90,972.60 × 33,997.37
  4. Step 4: Simplify right side
    60,690.52x = 3,092,829,142.06
  5. Step 5: Solve for x
    x = 3,092,829,142.06/60,690.52
  6. Step 6: Final answer
    x = 50,960.66

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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.