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Finding the Fourth Proportional to 7,067.92, 9,749.94 and 4,234.48

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Solution

The fourth proportional to 7,067.92, 9,749.94 and 4,234.48 is: 5,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.92 : 9,749.94 = 4,234.48 : x
  2. Step 2: Convert to fraction form
    7,067.92/9,749.94 = 4,234.48/x
  3. Step 3: Cross multiply
    7,067.92x = 9,749.94 × 4,234.48
  4. Step 4: Simplify right side
    7,067.92x = 41,285,925.93
  5. Step 5: Solve for x
    x = 41,285,925.93/7,067.92
  6. Step 6: Final answer
    x = 5,841.31

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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.