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Finding the Fourth Proportional to 18,249.54, 27,363.25 and 8,880.12

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Solution

The fourth proportional to 18,249.54, 27,363.25 and 8,880.12 is: 13,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.54 : 27,363.25 = 8,880.12 : x
  2. Step 2: Convert to fraction form
    18,249.54/27,363.25 = 8,880.12/x
  3. Step 3: Cross multiply
    18,249.54x = 27,363.25 × 8,880.12
  4. Step 4: Simplify right side
    18,249.54x = 242,988,943.59
  5. Step 5: Solve for x
    x = 242,988,943.59/18,249.54
  6. Step 6: Final answer
    x = 13,314.80

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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.