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Finding the Fourth Proportional to 18,337.96, 27,520.73 and 8,484.14

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Solution

The fourth proportional to 18,337.96, 27,520.73 and 8,484.14 is: 12,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.96 : 27,520.73 = 8,484.14 : x
  2. Step 2: Convert to fraction form
    18,337.96/27,520.73 = 8,484.14/x
  3. Step 3: Cross multiply
    18,337.96x = 27,520.73 × 8,484.14
  4. Step 4: Simplify right side
    18,337.96x = 233,489,784.42
  5. Step 5: Solve for x
    x = 233,489,784.42/18,337.96
  6. Step 6: Final answer
    x = 12,732.59

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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.