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Finding the Fourth Proportional to 50,913.99, 76,371.55 and 15,375.61

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Solution

The fourth proportional to 50,913.99, 76,371.55 and 15,375.61 is: 23,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,913.99 : 76,371.55 = 15,375.61 : x
  2. Step 2: Convert to fraction form
    50,913.99/76,371.55 = 15,375.61/x
  3. Step 3: Cross multiply
    50,913.99x = 76,371.55 × 15,375.61
  4. Step 4: Simplify right side
    50,913.99x = 1,174,259,224.92
  5. Step 5: Solve for x
    x = 1,174,259,224.92/50,913.99
  6. Step 6: Final answer
    x = 23,063.59

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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.