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Finding the Fourth Proportional to 7,093.41, 9,788.97 and 3,949.66

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Solution

The fourth proportional to 7,093.41, 9,788.97 and 3,949.66 is: 5,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.41 : 9,788.97 = 3,949.66 : x
  2. Step 2: Convert to fraction form
    7,093.41/9,788.97 = 3,949.66/x
  3. Step 3: Cross multiply
    7,093.41x = 9,788.97 × 3,949.66
  4. Step 4: Simplify right side
    7,093.41x = 38,663,108.08
  5. Step 5: Solve for x
    x = 38,663,108.08/7,093.41
  6. Step 6: Final answer
    x = 5,450.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.