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Finding the Fourth Proportional to 17,933.70, 26,896.95 and 8,573.70

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Solution

The fourth proportional to 17,933.70, 26,896.95 and 8,573.70 is: 12,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,933.70 : 26,896.95 = 8,573.70 : x
  2. Step 2: Convert to fraction form
    17,933.70/26,896.95 = 8,573.70/x
  3. Step 3: Cross multiply
    17,933.70x = 26,896.95 × 8,573.70
  4. Step 4: Simplify right side
    17,933.70x = 230,606,380.22
  5. Step 5: Solve for x
    x = 230,606,380.22/17,933.70
  6. Step 6: Final answer
    x = 12,858.83

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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.