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Finding the Fourth Proportional to 61,657.62, 85,083.50 and 34,796.48

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Solution

The fourth proportional to 61,657.62, 85,083.50 and 34,796.48 is: 48,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,657.62 : 85,083.50 = 34,796.48 : x
  2. Step 2: Convert to fraction form
    61,657.62/85,083.50 = 34,796.48/x
  3. Step 3: Cross multiply
    61,657.62x = 85,083.50 × 34,796.48
  4. Step 4: Simplify right side
    61,657.62x = 2,960,605,706.68
  5. Step 5: Solve for x
    x = 2,960,605,706.68/61,657.62
  6. Step 6: Final answer
    x = 48,016.87

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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.