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Finding the Fourth Proportional to 18,205.83, 27,116.37 and 17,396.37

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Solution

The fourth proportional to 18,205.83, 27,116.37 and 17,396.37 is: 25,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.83 : 27,116.37 = 17,396.37 : x
  2. Step 2: Convert to fraction form
    18,205.83/27,116.37 = 17,396.37/x
  3. Step 3: Cross multiply
    18,205.83x = 27,116.37 × 17,396.37
  4. Step 4: Simplify right side
    18,205.83x = 471,726,405.58
  5. Step 5: Solve for x
    x = 471,726,405.58/18,205.83
  6. Step 6: Final answer
    x = 25,910.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.