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Finding the Fourth Proportional to 61,863.91, 85,373.85 and 33,569.62

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Solution

The fourth proportional to 61,863.91, 85,373.85 and 33,569.62 is: 46,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,863.91 : 85,373.85 = 33,569.62 : x
  2. Step 2: Convert to fraction form
    61,863.91/85,373.85 = 33,569.62/x
  3. Step 3: Cross multiply
    61,863.91x = 85,373.85 × 33,569.62
  4. Step 4: Simplify right side
    61,863.91x = 2,865,967,702.44
  5. Step 5: Solve for x
    x = 2,865,967,702.44/61,863.91
  6. Step 6: Final answer
    x = 46,326.97

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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.