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Finding the Fourth Proportional to 17,309.64, 26,006.16 and 11,081.82

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Solution

The fourth proportional to 17,309.64, 26,006.16 and 11,081.82 is: 16,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.64 : 26,006.16 = 11,081.82 : x
  2. Step 2: Convert to fraction form
    17,309.64/26,006.16 = 11,081.82/x
  3. Step 3: Cross multiply
    17,309.64x = 26,006.16 × 11,081.82
  4. Step 4: Simplify right side
    17,309.64x = 288,195,584.01
  5. Step 5: Solve for x
    x = 288,195,584.01/17,309.64
  6. Step 6: Final answer
    x = 16,649.43

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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.