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Finding the Fourth Proportional to 26,761.59, 40,144.68 and 7,040.25

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Solution

The fourth proportional to 26,761.59, 40,144.68 and 7,040.25 is: 10,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.59 : 40,144.68 = 7,040.25 : x
  2. Step 2: Convert to fraction form
    26,761.59/40,144.68 = 7,040.25/x
  3. Step 3: Cross multiply
    26,761.59x = 40,144.68 × 7,040.25
  4. Step 4: Simplify right side
    26,761.59x = 282,628,583.37
  5. Step 5: Solve for x
    x = 282,628,583.37/26,761.59
  6. Step 6: Final answer
    x = 10,560.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.