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Finding the Fourth Proportional to 18,632.91, 27,949.11 and 4,593.10

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Solution

The fourth proportional to 18,632.91, 27,949.11 and 4,593.10 is: 6,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.91 : 27,949.11 = 4,593.10 : x
  2. Step 2: Convert to fraction form
    18,632.91/27,949.11 = 4,593.10/x
  3. Step 3: Cross multiply
    18,632.91x = 27,949.11 × 4,593.10
  4. Step 4: Simplify right side
    18,632.91x = 128,373,057.14
  5. Step 5: Solve for x
    x = 128,373,057.14/18,632.91
  6. Step 6: Final answer
    x = 6,889.59

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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.