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Finding the Fourth Proportional to 12,625.92, 18,939.47 and 4,834.17

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Solution

The fourth proportional to 12,625.92, 18,939.47 and 4,834.17 is: 7,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.92 : 18,939.47 = 4,834.17 : x
  2. Step 2: Convert to fraction form
    12,625.92/18,939.47 = 4,834.17/x
  3. Step 3: Cross multiply
    12,625.92x = 18,939.47 × 4,834.17
  4. Step 4: Simplify right side
    12,625.92x = 91,556,593.52
  5. Step 5: Solve for x
    x = 91,556,593.52/12,625.92
  6. Step 6: Final answer
    x = 7,251.48

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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.