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Finding the Fourth Proportional to 15,894.91, 23,849.09 and 7,993.27

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Solution

The fourth proportional to 15,894.91, 23,849.09 and 7,993.27 is: 11,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,894.91 : 23,849.09 = 7,993.27 : x
  2. Step 2: Convert to fraction form
    15,894.91/23,849.09 = 7,993.27/x
  3. Step 3: Cross multiply
    15,894.91x = 23,849.09 × 7,993.27
  4. Step 4: Simplify right side
    15,894.91x = 190,632,215.62
  5. Step 5: Solve for x
    x = 190,632,215.62/15,894.91
  6. Step 6: Final answer
    x = 11,993.29

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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.