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Finding the Fourth Proportional to 43,750, 60,375 and 26,992.72

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Solution

The fourth proportional to 43,750, 60,375 and 26,992.72 is: 37,249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,750 : 60,375 = 26,992.72 : x
  2. Step 2: Convert to fraction form
    43,750/60,375 = 26,992.72/x
  3. Step 3: Cross multiply
    43,750x = 60,375 × 26,992.72
  4. Step 4: Simplify right side
    43,750x = 1,629,685,470
  5. Step 5: Solve for x
    x = 1,629,685,470/43,750
  6. Step 6: Final answer
    x = 37,249.95

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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.