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Finding the Fourth Proportional to 48,649.89, 67,136.82 and 26,293.89

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Solution

The fourth proportional to 48,649.89, 67,136.82 and 26,293.89 is: 36,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,649.89 : 67,136.82 = 26,293.89 : x
  2. Step 2: Convert to fraction form
    48,649.89/67,136.82 = 26,293.89/x
  3. Step 3: Cross multiply
    48,649.89x = 67,136.82 × 26,293.89
  4. Step 4: Simplify right side
    48,649.89x = 1,765,288,160.03
  5. Step 5: Solve for x
    x = 1,765,288,160.03/48,649.89
  6. Step 6: Final answer
    x = 36,285.55

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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.