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Finding the Fourth Proportional to 48,998, 67,617.24 and 26,642

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Solution

The fourth proportional to 48,998, 67,617.24 and 26,642 is: 36,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,998 : 67,617.24 = 26,642 : x
  2. Step 2: Convert to fraction form
    48,998/67,617.24 = 26,642/x
  3. Step 3: Cross multiply
    48,998x = 67,617.24 × 26,642
  4. Step 4: Simplify right side
    48,998x = 1,801,458,508.08
  5. Step 5: Solve for x
    x = 1,801,458,508.08/48,998
  6. Step 6: Final answer
    x = 36,765.96

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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.