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Finding the Fourth Proportional to 25,173.90, 37,761.21 and 10,939.14

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Solution

The fourth proportional to 25,173.90, 37,761.21 and 10,939.14 is: 16,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.90 : 37,761.21 = 10,939.14 : x
  2. Step 2: Convert to fraction form
    25,173.90/37,761.21 = 10,939.14/x
  3. Step 3: Cross multiply
    25,173.90x = 37,761.21 × 10,939.14
  4. Step 4: Simplify right side
    25,173.90x = 413,075,162.76
  5. Step 5: Solve for x
    x = 413,075,162.76/25,173.90
  6. Step 6: Final answer
    x = 16,408.87

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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.