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Finding the Fourth Proportional to 22,949.86, 34,424.79 and 7,378.42

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Solution

The fourth proportional to 22,949.86, 34,424.79 and 7,378.42 is: 11,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,949.86 : 34,424.79 = 7,378.42 : x
  2. Step 2: Convert to fraction form
    22,949.86/34,424.79 = 7,378.42/x
  3. Step 3: Cross multiply
    22,949.86x = 34,424.79 × 7,378.42
  4. Step 4: Simplify right side
    22,949.86x = 254,000,350.02
  5. Step 5: Solve for x
    x = 254,000,350.02/22,949.86
  6. Step 6: Final answer
    x = 11,067.62

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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.