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Finding the Fourth Proportional to 43,643.67, 65,469.73 and 17,342.52

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Solution

The fourth proportional to 43,643.67, 65,469.73 and 17,342.52 is: 26,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,643.67 : 65,469.73 = 17,342.52 : x
  2. Step 2: Convert to fraction form
    43,643.67/65,469.73 = 17,342.52/x
  3. Step 3: Cross multiply
    43,643.67x = 65,469.73 × 17,342.52
  4. Step 4: Simplify right side
    43,643.67x = 1,135,410,101.92
  5. Step 5: Solve for x
    x = 1,135,410,101.92/43,643.67
  6. Step 6: Final answer
    x = 26,015.46

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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.