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Finding the Fourth Proportional to 73,975.28, 110,952 and 27,217.28

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Solution

The fourth proportional to 73,975.28, 110,952 and 27,217.28 is: 40,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,975.28 : 110,952 = 27,217.28 : x
  2. Step 2: Convert to fraction form
    73,975.28/110,952 = 27,217.28/x
  3. Step 3: Cross multiply
    73,975.28x = 110,952 × 27,217.28
  4. Step 4: Simplify right side
    73,975.28x = 3,019,811,650.56
  5. Step 5: Solve for x
    x = 3,019,811,650.56/73,975.28
  6. Step 6: Final answer
    x = 40,821.90

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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.