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Finding the Fourth Proportional to 11,832.92, 17,736.77 and 8,902.16

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Solution

The fourth proportional to 11,832.92, 17,736.77 and 8,902.16 is: 13,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.92 : 17,736.77 = 8,902.16 : x
  2. Step 2: Convert to fraction form
    11,832.92/17,736.77 = 8,902.16/x
  3. Step 3: Cross multiply
    11,832.92x = 17,736.77 × 8,902.16
  4. Step 4: Simplify right side
    11,832.92x = 157,895,497.99
  5. Step 5: Solve for x
    x = 157,895,497.99/11,832.92
  6. Step 6: Final answer
    x = 13,343.75

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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.