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Finding the Fourth Proportional to 43,644.92, 65,471.60 and 17,343.77

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Solution

The fourth proportional to 43,644.92, 65,471.60 and 17,343.77 is: 26,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,644.92 : 65,471.60 = 17,343.77 : x
  2. Step 2: Convert to fraction form
    43,644.92/65,471.60 = 17,343.77/x
  3. Step 3: Cross multiply
    43,644.92x = 65,471.60 × 17,343.77
  4. Step 4: Simplify right side
    43,644.92x = 1,135,524,087.93
  5. Step 5: Solve for x
    x = 1,135,524,087.93/43,644.92
  6. Step 6: Final answer
    x = 26,017.33

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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.