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Finding the Fourth Proportional to 61,375.56, 92,033.80 and 36,418.80

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Solution

The fourth proportional to 61,375.56, 92,033.80 and 36,418.80 is: 54,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,375.56 : 92,033.80 = 36,418.80 : x
  2. Step 2: Convert to fraction form
    61,375.56/92,033.80 = 36,418.80/x
  3. Step 3: Cross multiply
    61,375.56x = 92,033.80 × 36,418.80
  4. Step 4: Simplify right side
    61,375.56x = 3,351,760,555.44
  5. Step 5: Solve for x
    x = 3,351,760,555.44/61,375.56
  6. Step 6: Final answer
    x = 54,610.67

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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.