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Finding the Fourth Proportional to 18,224.82, 27,326.43 and 6,372.90

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Solution

The fourth proportional to 18,224.82, 27,326.43 and 6,372.90 is: 9,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.82 : 27,326.43 = 6,372.90 : x
  2. Step 2: Convert to fraction form
    18,224.82/27,326.43 = 6,372.90/x
  3. Step 3: Cross multiply
    18,224.82x = 27,326.43 × 6,372.90
  4. Step 4: Simplify right side
    18,224.82x = 174,148,605.75
  5. Step 5: Solve for x
    x = 174,148,605.75/18,224.82
  6. Step 6: Final answer
    x = 9,555.57

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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.