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Finding the Fourth Proportional to 24,634.92, 36,942.79 and 7,990.93

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Solution

The fourth proportional to 24,634.92, 36,942.79 and 7,990.93 is: 11,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,634.92 : 36,942.79 = 7,990.93 : x
  2. Step 2: Convert to fraction form
    24,634.92/36,942.79 = 7,990.93/x
  3. Step 3: Cross multiply
    24,634.92x = 36,942.79 × 7,990.93
  4. Step 4: Simplify right side
    24,634.92x = 295,207,064.18
  5. Step 5: Solve for x
    x = 295,207,064.18/24,634.92
  6. Step 6: Final answer
    x = 11,983.28

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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.