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Finding the Fourth Proportional to 18,249.60, 25,185.17 and 10,183.95

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Solution

The fourth proportional to 18,249.60, 25,185.17 and 10,183.95 is: 14,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.60 : 25,185.17 = 10,183.95 : x
  2. Step 2: Convert to fraction form
    18,249.60/25,185.17 = 10,183.95/x
  3. Step 3: Cross multiply
    18,249.60x = 25,185.17 × 10,183.95
  4. Step 4: Simplify right side
    18,249.60x = 256,484,512.02
  5. Step 5: Solve for x
    x = 256,484,512.02/18,249.60
  6. Step 6: Final answer
    x = 14,054.25

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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.