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Finding the Fourth Proportional to 18,037.99, 24,891.99 and 10,081.75

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Solution

The fourth proportional to 18,037.99, 24,891.99 and 10,081.75 is: 13,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037.99 : 24,891.99 = 10,081.75 : x
  2. Step 2: Convert to fraction form
    18,037.99/24,891.99 = 10,081.75/x
  3. Step 3: Cross multiply
    18,037.99x = 24,891.99 × 10,081.75
  4. Step 4: Simplify right side
    18,037.99x = 250,954,845.39
  5. Step 5: Solve for x
    x = 250,954,845.39/18,037.99
  6. Step 6: Final answer
    x = 13,912.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.