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Finding the Fourth Proportional to 18,502.62, 27,680.22 and 16,066.14

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Solution

The fourth proportional to 18,502.62, 27,680.22 and 16,066.14 is: 24,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.62 : 27,680.22 = 16,066.14 : x
  2. Step 2: Convert to fraction form
    18,502.62/27,680.22 = 16,066.14/x
  3. Step 3: Cross multiply
    18,502.62x = 27,680.22 × 16,066.14
  4. Step 4: Simplify right side
    18,502.62x = 444,714,289.75
  5. Step 5: Solve for x
    x = 444,714,289.75/18,502.62
  6. Step 6: Final answer
    x = 24,035.21

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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.