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Finding the Fourth Proportional to 61,788.25, 85,234.90 and 37,596.59

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Solution

The fourth proportional to 61,788.25, 85,234.90 and 37,596.59 is: 51,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,788.25 : 85,234.90 = 37,596.59 : x
  2. Step 2: Convert to fraction form
    61,788.25/85,234.90 = 37,596.59/x
  3. Step 3: Cross multiply
    61,788.25x = 85,234.90 × 37,596.59
  4. Step 4: Simplify right side
    61,788.25x = 3,204,541,458.95
  5. Step 5: Solve for x
    x = 3,204,541,458.95/61,788.25
  6. Step 6: Final answer
    x = 51,863.28

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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.