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Finding the Fourth Proportional to 61,906.91, 92,805.28 and 26,827.43

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Solution

The fourth proportional to 61,906.91, 92,805.28 and 26,827.43 is: 40,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,906.91 : 92,805.28 = 26,827.43 : x
  2. Step 2: Convert to fraction form
    61,906.91/92,805.28 = 26,827.43/x
  3. Step 3: Cross multiply
    61,906.91x = 92,805.28 × 26,827.43
  4. Step 4: Simplify right side
    61,906.91x = 2,489,726,621.74
  5. Step 5: Solve for x
    x = 2,489,726,621.74/61,906.91
  6. Step 6: Final answer
    x = 40,217.27

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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.