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Finding the Fourth Proportional to 17,993.55, 26,998.65 and 6,896.55

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Solution

The fourth proportional to 17,993.55, 26,998.65 and 6,896.55 is: 10,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.55 : 26,998.65 = 6,896.55 : x
  2. Step 2: Convert to fraction form
    17,993.55/26,998.65 = 6,896.55/x
  3. Step 3: Cross multiply
    17,993.55x = 26,998.65 × 6,896.55
  4. Step 4: Simplify right side
    17,993.55x = 186,197,539.66
  5. Step 5: Solve for x
    x = 186,197,539.66/17,993.55
  6. Step 6: Final answer
    x = 10,348.02

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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.