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Finding the Fourth Proportional to 11,994.88, 17,992.32 and 3,674.86

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Solution

The fourth proportional to 11,994.88, 17,992.32 and 3,674.86 is: 5,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.88 : 17,992.32 = 3,674.86 : x
  2. Step 2: Convert to fraction form
    11,994.88/17,992.32 = 3,674.86/x
  3. Step 3: Cross multiply
    11,994.88x = 17,992.32 × 3,674.86
  4. Step 4: Simplify right side
    11,994.88x = 66,119,265.78
  5. Step 5: Solve for x
    x = 66,119,265.78/11,994.88
  6. Step 6: Final answer
    x = 5,512.29

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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.