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Finding the Fourth Proportional to 11,841.05, 17,755.04 and 7,449.11

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Solution

The fourth proportional to 11,841.05, 17,755.04 and 7,449.11 is: 11,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.05 : 17,755.04 = 7,449.11 : x
  2. Step 2: Convert to fraction form
    11,841.05/17,755.04 = 7,449.11/x
  3. Step 3: Cross multiply
    11,841.05x = 17,755.04 × 7,449.11
  4. Step 4: Simplify right side
    11,841.05x = 132,259,208.77
  5. Step 5: Solve for x
    x = 132,259,208.77/11,841.05
  6. Step 6: Final answer
    x = 11,169.55

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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.