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Finding the Fourth Proportional to 67,049.99, 100,587.96 and 25,493.75

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Solution

The fourth proportional to 67,049.99, 100,587.96 and 25,493.75 is: 38,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,049.99 : 100,587.96 = 25,493.75 : x
  2. Step 2: Convert to fraction form
    67,049.99/100,587.96 = 25,493.75/x
  3. Step 3: Cross multiply
    67,049.99x = 100,587.96 × 25,493.75
  4. Step 4: Simplify right side
    67,049.99x = 2,564,364,305.25
  5. Step 5: Solve for x
    x = 2,564,364,305.25/67,049.99
  6. Step 6: Final answer
    x = 38,245.56

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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.