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Finding the Fourth Proportional to 37,243.43, 55,865.75 and 9,163.56

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Solution

The fourth proportional to 37,243.43, 55,865.75 and 9,163.56 is: 13,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,243.43 : 55,865.75 = 9,163.56 : x
  2. Step 2: Convert to fraction form
    37,243.43/55,865.75 = 9,163.56/x
  3. Step 3: Cross multiply
    37,243.43x = 55,865.75 × 9,163.56
  4. Step 4: Simplify right side
    37,243.43x = 511,929,106.25
  5. Step 5: Solve for x
    x = 511,929,106.25/37,243.43
  6. Step 6: Final answer
    x = 13,745.49

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1.5x scale

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.