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Finding the Fourth Proportional to 17,071.92, 25,612.97 and 8,757.81

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Solution

The fourth proportional to 17,071.92, 25,612.97 and 8,757.81 is: 13,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.92 : 25,612.97 = 8,757.81 : x
  2. Step 2: Convert to fraction form
    17,071.92/25,612.97 = 8,757.81/x
  3. Step 3: Cross multiply
    17,071.92x = 25,612.97 × 8,757.81
  4. Step 4: Simplify right side
    17,071.92x = 224,313,481.01
  5. Step 5: Solve for x
    x = 224,313,481.01/17,071.92
  6. Step 6: Final answer
    x = 13,139.32

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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.