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Finding the Fourth Proportional to 61,863.73, 85,366.73 and 36,370.94

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Solution

The fourth proportional to 61,863.73, 85,366.73 and 36,370.94 is: 50,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,863.73 : 85,366.73 = 36,370.94 : x
  2. Step 2: Convert to fraction form
    61,863.73/85,366.73 = 36,370.94/x
  3. Step 3: Cross multiply
    61,863.73x = 85,366.73 × 36,370.94
  4. Step 4: Simplify right side
    61,863.73x = 3,104,867,878.92
  5. Step 5: Solve for x
    x = 3,104,867,878.92/61,863.73
  6. Step 6: Final answer
    x = 50,188.83

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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.