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Finding the Fourth Proportional to 15,188.55, 22,786.38 and 7,673.37

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Solution

The fourth proportional to 15,188.55, 22,786.38 and 7,673.37 is: 11,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.55 : 22,786.38 = 7,673.37 : x
  2. Step 2: Convert to fraction form
    15,188.55/22,786.38 = 7,673.37/x
  3. Step 3: Cross multiply
    15,188.55x = 22,786.38 × 7,673.37
  4. Step 4: Simplify right side
    15,188.55x = 174,848,324.70
  5. Step 5: Solve for x
    x = 174,848,324.70/15,188.55
  6. Step 6: Final answer
    x = 11,511.85

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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.