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Finding the Fourth Proportional to 7,054.50, 9,734.82 and 3,910.44

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Solution

The fourth proportional to 7,054.50, 9,734.82 and 3,910.44 is: 5,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.50 : 9,734.82 = 3,910.44 : x
  2. Step 2: Convert to fraction form
    7,054.50/9,734.82 = 3,910.44/x
  3. Step 3: Cross multiply
    7,054.50x = 9,734.82 × 3,910.44
  4. Step 4: Simplify right side
    7,054.50x = 38,067,429.52
  5. Step 5: Solve for x
    x = 38,067,429.52/7,054.50
  6. Step 6: Final answer
    x = 5,396.19

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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.