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Finding the Fourth Proportional to 45,755.87, 68,645.61 and 26,796.50

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Solution

The fourth proportional to 45,755.87, 68,645.61 and 26,796.50 is: 40,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,755.87 : 68,645.61 = 26,796.50 : x
  2. Step 2: Convert to fraction form
    45,755.87/68,645.61 = 26,796.50/x
  3. Step 3: Cross multiply
    45,755.87x = 68,645.61 × 26,796.50
  4. Step 4: Simplify right side
    45,755.87x = 1,839,461,745.14
  5. Step 5: Solve for x
    x = 1,839,461,745.14/45,755.87
  6. Step 6: Final answer
    x = 40,201.66

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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.