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Finding the Fourth Proportional to 18,372.92, 27,559.53 and 5,892.97

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Solution

The fourth proportional to 18,372.92, 27,559.53 and 5,892.97 is: 8,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.92 : 27,559.53 = 5,892.97 : x
  2. Step 2: Convert to fraction form
    18,372.92/27,559.53 = 5,892.97/x
  3. Step 3: Cross multiply
    18,372.92x = 27,559.53 × 5,892.97
  4. Step 4: Simplify right side
    18,372.92x = 162,407,345.71
  5. Step 5: Solve for x
    x = 162,407,345.71/18,372.92
  6. Step 6: Final answer
    x = 8,839.50

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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.