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Finding the Fourth Proportional to 18,167.84, 27,250.99 and 6,324.31

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Solution

The fourth proportional to 18,167.84, 27,250.99 and 6,324.31 is: 9,486.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.84 : 27,250.99 = 6,324.31 : x
  2. Step 2: Convert to fraction form
    18,167.84/27,250.99 = 6,324.31/x
  3. Step 3: Cross multiply
    18,167.84x = 27,250.99 × 6,324.31
  4. Step 4: Simplify right side
    18,167.84x = 172,343,540.69
  5. Step 5: Solve for x
    x = 172,343,540.69/18,167.84
  6. Step 6: Final answer
    x = 9,486.19

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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.