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Finding the Fourth Proportional to 54,471.70, 81,712.26 and 15,028.82

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Solution

The fourth proportional to 54,471.70, 81,712.26 and 15,028.82 is: 22,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,471.70 : 81,712.26 = 15,028.82 : x
  2. Step 2: Convert to fraction form
    54,471.70/81,712.26 = 15,028.82/x
  3. Step 3: Cross multiply
    54,471.70x = 81,712.26 × 15,028.82
  4. Step 4: Simplify right side
    54,471.70x = 1,228,038,847.33
  5. Step 5: Solve for x
    x = 1,228,038,847.33/54,471.70
  6. Step 6: Final answer
    x = 22,544.53

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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.