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Finding the Fourth Proportional to 18,249.16, 27,366.50 and 6,238.32

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Solution

The fourth proportional to 18,249.16, 27,366.50 and 6,238.32 is: 9,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.16 : 27,366.50 = 6,238.32 : x
  2. Step 2: Convert to fraction form
    18,249.16/27,366.50 = 6,238.32/x
  3. Step 3: Cross multiply
    18,249.16x = 27,366.50 × 6,238.32
  4. Step 4: Simplify right side
    18,249.16x = 170,720,984.28
  5. Step 5: Solve for x
    x = 170,720,984.28/18,249.16
  6. Step 6: Final answer
    x = 9,355.01

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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.