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Finding the Fourth Proportional to 18,181.84, 27,270.03 and 6,337.42

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Solution

The fourth proportional to 18,181.84, 27,270.03 and 6,337.42 is: 9,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.84 : 27,270.03 = 6,337.42 : x
  2. Step 2: Convert to fraction form
    18,181.84/27,270.03 = 6,337.42/x
  3. Step 3: Cross multiply
    18,181.84x = 27,270.03 × 6,337.42
  4. Step 4: Simplify right side
    18,181.84x = 172,821,633.52
  5. Step 5: Solve for x
    x = 172,821,633.52/18,181.84
  6. Step 6: Final answer
    x = 9,505.18

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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.