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Finding the Fourth Proportional to 27,299.44, 40,949.38 and 7,579.53

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Solution

The fourth proportional to 27,299.44, 40,949.38 and 7,579.53 is: 11,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,299.44 : 40,949.38 = 7,579.53 : x
  2. Step 2: Convert to fraction form
    27,299.44/40,949.38 = 7,579.53/x
  3. Step 3: Cross multiply
    27,299.44x = 40,949.38 × 7,579.53
  4. Step 4: Simplify right side
    27,299.44x = 310,377,063.67
  5. Step 5: Solve for x
    x = 310,377,063.67/27,299.44
  6. Step 6: Final answer
    x = 11,369.36

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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.