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Finding the Fourth Proportional to 11,832.12, 17,736.17 and 7,674.77

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Solution

The fourth proportional to 11,832.12, 17,736.17 and 7,674.77 is: 11,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.12 : 17,736.17 = 7,674.77 : x
  2. Step 2: Convert to fraction form
    11,832.12/17,736.17 = 7,674.77/x
  3. Step 3: Cross multiply
    11,832.12x = 17,736.17 × 7,674.77
  4. Step 4: Simplify right side
    11,832.12x = 136,121,031.40
  5. Step 5: Solve for x
    x = 136,121,031.40/11,832.12
  6. Step 6: Final answer
    x = 11,504.37

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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.