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Finding the Fourth Proportional to 76,882.82, 115,329.09 and 32,503.73

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Solution

The fourth proportional to 76,882.82, 115,329.09 and 32,503.73 is: 48,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,882.82 : 115,329.09 = 32,503.73 : x
  2. Step 2: Convert to fraction form
    76,882.82/115,329.09 = 32,503.73/x
  3. Step 3: Cross multiply
    76,882.82x = 115,329.09 × 32,503.73
  4. Step 4: Simplify right side
    76,882.82x = 3,748,625,025.86
  5. Step 5: Solve for x
    x = 3,748,625,025.86/76,882.82
  6. Step 6: Final answer
    x = 48,757.65

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1.5x scale

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.