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Finding the Fourth Proportional to 27,198.92, 40,810.92 and 12,412.37

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Solution

The fourth proportional to 27,198.92, 40,810.92 and 12,412.37 is: 18,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.92 : 40,810.92 = 12,412.37 : x
  2. Step 2: Convert to fraction form
    27,198.92/40,810.92 = 12,412.37/x
  3. Step 3: Cross multiply
    27,198.92x = 40,810.92 × 12,412.37
  4. Step 4: Simplify right side
    27,198.92x = 506,560,035.03
  5. Step 5: Solve for x
    x = 506,560,035.03/27,198.92
  6. Step 6: Final answer
    x = 18,624.27

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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.