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Finding the Fourth Proportional to 17,908.44, 26,853.39 and 8,039.22

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Solution

The fourth proportional to 17,908.44, 26,853.39 and 8,039.22 is: 12,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.44 : 26,853.39 = 8,039.22 : x
  2. Step 2: Convert to fraction form
    17,908.44/26,853.39 = 8,039.22/x
  3. Step 3: Cross multiply
    17,908.44x = 26,853.39 × 8,039.22
  4. Step 4: Simplify right side
    17,908.44x = 215,880,309.96
  5. Step 5: Solve for x
    x = 215,880,309.96/17,908.44
  6. Step 6: Final answer
    x = 12,054.67

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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.