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Finding the Fourth Proportional to 11,249.66, 16,874.49 and 2,929.65

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Solution

The fourth proportional to 11,249.66, 16,874.49 and 2,929.65 is: 4,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.66 : 16,874.49 = 2,929.65 : x
  2. Step 2: Convert to fraction form
    11,249.66/16,874.49 = 2,929.65/x
  3. Step 3: Cross multiply
    11,249.66x = 16,874.49 × 2,929.65
  4. Step 4: Simplify right side
    11,249.66x = 49,436,349.63
  5. Step 5: Solve for x
    x = 49,436,349.63/11,249.66
  6. Step 6: Final answer
    x = 4,394.47

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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.