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Finding the Fourth Proportional to 7,093.26, 9,789.08 and 3,949.51

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Solution

The fourth proportional to 7,093.26, 9,789.08 and 3,949.51 is: 5,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.26 : 9,789.08 = 3,949.51 : x
  2. Step 2: Convert to fraction form
    7,093.26/9,789.08 = 3,949.51/x
  3. Step 3: Cross multiply
    7,093.26x = 9,789.08 × 3,949.51
  4. Step 4: Simplify right side
    7,093.26x = 38,662,069.35
  5. Step 5: Solve for x
    x = 38,662,069.35/7,093.26
  6. Step 6: Final answer
    x = 5,450.54

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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.