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Finding the Fourth Proportional to 17,039.91, 25,572.42 and 8,614.56

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Solution

The fourth proportional to 17,039.91, 25,572.42 and 8,614.56 is: 12,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.91 : 25,572.42 = 8,614.56 : x
  2. Step 2: Convert to fraction form
    17,039.91/25,572.42 = 8,614.56/x
  3. Step 3: Cross multiply
    17,039.91x = 25,572.42 × 8,614.56
  4. Step 4: Simplify right side
    17,039.91x = 220,295,146.44
  5. Step 5: Solve for x
    x = 220,295,146.44/17,039.91
  6. Step 6: Final answer
    x = 12,928.19

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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.