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Finding the Fourth Proportional to 18,025.75, 24,873.75 and 10,067.80

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Solution

The fourth proportional to 18,025.75, 24,873.75 and 10,067.80 is: 13,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.75 : 24,873.75 = 10,067.80 : x
  2. Step 2: Convert to fraction form
    18,025.75/24,873.75 = 10,067.80/x
  3. Step 3: Cross multiply
    18,025.75x = 24,873.75 × 10,067.80
  4. Step 4: Simplify right side
    18,025.75x = 250,423,940.25
  5. Step 5: Solve for x
    x = 250,423,940.25/18,025.75
  6. Step 6: Final answer
    x = 13,892.57

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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.