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Finding the Fourth Proportional to 45,163.28, 67,786.50 and 22,992.50

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Solution

The fourth proportional to 45,163.28, 67,786.50 and 22,992.50 is: 34,509.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163.28 : 67,786.50 = 22,992.50 : x
  2. Step 2: Convert to fraction form
    45,163.28/67,786.50 = 22,992.50/x
  3. Step 3: Cross multiply
    45,163.28x = 67,786.50 × 22,992.50
  4. Step 4: Simplify right side
    45,163.28x = 1,558,581,101.25
  5. Step 5: Solve for x
    x = 1,558,581,101.25/45,163.28
  6. Step 6: Final answer
    x = 34,509.92

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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.