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Finding the Fourth Proportional to 11,866.44, 17,799.66 and 11,144.72

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Solution

The fourth proportional to 11,866.44, 17,799.66 and 11,144.72 is: 16,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.44 : 17,799.66 = 11,144.72 : x
  2. Step 2: Convert to fraction form
    11,866.44/17,799.66 = 11,144.72/x
  3. Step 3: Cross multiply
    11,866.44x = 17,799.66 × 11,144.72
  4. Step 4: Simplify right side
    11,866.44x = 198,372,226.80
  5. Step 5: Solve for x
    x = 198,372,226.80/11,866.44
  6. Step 6: Final answer
    x = 16,717.08

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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.