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Finding the Fourth Proportional to 11,953.88, 17,933.69 and 3,745.88

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Solution

The fourth proportional to 11,953.88, 17,933.69 and 3,745.88 is: 5,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.88 : 17,933.69 = 3,745.88 : x
  2. Step 2: Convert to fraction form
    11,953.88/17,933.69 = 3,745.88/x
  3. Step 3: Cross multiply
    11,953.88x = 17,933.69 × 3,745.88
  4. Step 4: Simplify right side
    11,953.88x = 67,177,370.39
  5. Step 5: Solve for x
    x = 67,177,370.39/11,953.88
  6. Step 6: Final answer
    x = 5,619.71

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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.