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Finding the Fourth Proportional to 18,179.96, 27,241.99 and 10,769.67

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Solution

The fourth proportional to 18,179.96, 27,241.99 and 10,769.67 is: 16,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.96 : 27,241.99 = 10,769.67 : x
  2. Step 2: Convert to fraction form
    18,179.96/27,241.99 = 10,769.67/x
  3. Step 3: Cross multiply
    18,179.96x = 27,241.99 × 10,769.67
  4. Step 4: Simplify right side
    18,179.96x = 293,387,215.52
  5. Step 5: Solve for x
    x = 293,387,215.52/18,179.96
  6. Step 6: Final answer
    x = 16,137.95

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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.