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Finding the Fourth Proportional to 18,552.96, 27,832.32 and 6,240

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Solution

The fourth proportional to 18,552.96, 27,832.32 and 6,240 is: 9,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.96 : 27,832.32 = 6,240 : x
  2. Step 2: Convert to fraction form
    18,552.96/27,832.32 = 6,240/x
  3. Step 3: Cross multiply
    18,552.96x = 27,832.32 × 6,240
  4. Step 4: Simplify right side
    18,552.96x = 173,673,676.80
  5. Step 5: Solve for x
    x = 173,673,676.80/18,552.96
  6. Step 6: Final answer
    x = 9,360.97

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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.