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Finding the Fourth Proportional to 48,945, 67,544.10 and 26,589

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Solution

The fourth proportional to 48,945, 67,544.10 and 26,589 is: 36,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,945 : 67,544.10 = 26,589 : x
  2. Step 2: Convert to fraction form
    48,945/67,544.10 = 26,589/x
  3. Step 3: Cross multiply
    48,945x = 67,544.10 × 26,589
  4. Step 4: Simplify right side
    48,945x = 1,795,930,074.90
  5. Step 5: Solve for x
    x = 1,795,930,074.90/48,945
  6. Step 6: Final answer
    x = 36,692.82

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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.