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Finding the Fourth Proportional to 61,902.82, 85,429.25 and 35,046.46

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Solution

The fourth proportional to 61,902.82, 85,429.25 and 35,046.46 is: 48,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,902.82 : 85,429.25 = 35,046.46 : x
  2. Step 2: Convert to fraction form
    61,902.82/85,429.25 = 35,046.46/x
  3. Step 3: Cross multiply
    61,902.82x = 85,429.25 × 35,046.46
  4. Step 4: Simplify right side
    61,902.82x = 2,993,992,792.96
  5. Step 5: Solve for x
    x = 2,993,992,792.96/61,902.82
  6. Step 6: Final answer
    x = 48,366.02

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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.