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Finding the Fourth Proportional to 61,310.44, 91,972.14 and 26,240.68

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Solution

The fourth proportional to 61,310.44, 91,972.14 and 26,240.68 is: 39,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,310.44 : 91,972.14 = 26,240.68 : x
  2. Step 2: Convert to fraction form
    61,310.44/91,972.14 = 26,240.68/x
  3. Step 3: Cross multiply
    61,310.44x = 91,972.14 × 26,240.68
  4. Step 4: Simplify right side
    61,310.44x = 2,413,411,494.66
  5. Step 5: Solve for x
    x = 2,413,411,494.66/61,310.44
  6. Step 6: Final answer
    x = 39,363.79

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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.