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Finding the Fourth Proportional to 17,832.80, 26,806.80 and 12,674.40

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Solution

The fourth proportional to 17,832.80, 26,806.80 and 12,674.40 is: 19,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,832.80 : 26,806.80 = 12,674.40 : x
  2. Step 2: Convert to fraction form
    17,832.80/26,806.80 = 12,674.40/x
  3. Step 3: Cross multiply
    17,832.80x = 26,806.80 × 12,674.40
  4. Step 4: Simplify right side
    17,832.80x = 339,760,105.92
  5. Step 5: Solve for x
    x = 339,760,105.92/17,832.80
  6. Step 6: Final answer
    x = 19,052.54

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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.