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Finding the Fourth Proportional to 23,472.99, 35,212.32 and 7,891.02

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Solution

The fourth proportional to 23,472.99, 35,212.32 and 7,891.02 is: 11,837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,472.99 : 35,212.32 = 7,891.02 : x
  2. Step 2: Convert to fraction form
    23,472.99/35,212.32 = 7,891.02/x
  3. Step 3: Cross multiply
    23,472.99x = 35,212.32 × 7,891.02
  4. Step 4: Simplify right side
    23,472.99x = 277,861,121.37
  5. Step 5: Solve for x
    x = 277,861,121.37/23,472.99
  6. Step 6: Final answer
    x = 11,837.48

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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.