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Finding the Fourth Proportional to 67,472.34, 101,213.37 and 25,919.34

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Solution

The fourth proportional to 67,472.34, 101,213.37 and 25,919.34 is: 38,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,472.34 : 101,213.37 = 25,919.34 : x
  2. Step 2: Convert to fraction form
    67,472.34/101,213.37 = 25,919.34/x
  3. Step 3: Cross multiply
    67,472.34x = 101,213.37 × 25,919.34
  4. Step 4: Simplify right side
    67,472.34x = 2,623,383,749.58
  5. Step 5: Solve for x
    x = 2,623,383,749.58/67,472.34
  6. Step 6: Final answer
    x = 38,880.88

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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.