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Finding the Fourth Proportional to 60,377.78, 90,537.21 and 18,249.72

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Solution

The fourth proportional to 60,377.78, 90,537.21 and 18,249.72 is: 27,365.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,377.78 : 90,537.21 = 18,249.72 : x
  2. Step 2: Convert to fraction form
    60,377.78/90,537.21 = 18,249.72/x
  3. Step 3: Cross multiply
    60,377.78x = 90,537.21 × 18,249.72
  4. Step 4: Simplify right side
    60,377.78x = 1,652,278,732.08
  5. Step 5: Solve for x
    x = 1,652,278,732.08/60,377.78
  6. Step 6: Final answer
    x = 27,365.68

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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.