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Finding the Fourth Proportional to 25,163.22, 37,721.37 and 8,511.67

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Solution

The fourth proportional to 25,163.22, 37,721.37 and 8,511.67 is: 12,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,163.22 : 37,721.37 = 8,511.67 : x
  2. Step 2: Convert to fraction form
    25,163.22/37,721.37 = 8,511.67/x
  3. Step 3: Cross multiply
    25,163.22x = 37,721.37 × 8,511.67
  4. Step 4: Simplify right side
    25,163.22x = 321,071,737.81
  5. Step 5: Solve for x
    x = 321,071,737.81/25,163.22
  6. Step 6: Final answer
    x = 12,759.56

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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.