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Finding the Fourth Proportional to 61,695.80, 92,489.70 and 41,910.20

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Solution

The fourth proportional to 61,695.80, 92,489.70 and 41,910.20 is: 62,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,695.80 : 92,489.70 = 41,910.20 : x
  2. Step 2: Convert to fraction form
    61,695.80/92,489.70 = 41,910.20/x
  3. Step 3: Cross multiply
    61,695.80x = 92,489.70 × 41,910.20
  4. Step 4: Simplify right side
    61,695.80x = 3,876,261,824.94
  5. Step 5: Solve for x
    x = 3,876,261,824.94/61,695.80
  6. Step 6: Final answer
    x = 62,828.62

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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.