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Finding the Fourth Proportional to 61,698.30, 92,493.45 and 41,912.70

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Solution

The fourth proportional to 61,698.30, 92,493.45 and 41,912.70 is: 62,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,698.30 : 92,493.45 = 41,912.70 : x
  2. Step 2: Convert to fraction form
    61,698.30/92,493.45 = 41,912.70/x
  3. Step 3: Cross multiply
    61,698.30x = 92,493.45 × 41,912.70
  4. Step 4: Simplify right side
    61,698.30x = 3,876,650,221.82
  5. Step 5: Solve for x
    x = 3,876,650,221.82/61,698.30
  6. Step 6: Final answer
    x = 62,832.37

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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.