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Finding the Fourth Proportional to 17,993.74, 26,990.62 and 6,306.96

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Solution

The fourth proportional to 17,993.74, 26,990.62 and 6,306.96 is: 9,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.74 : 26,990.62 = 6,306.96 : x
  2. Step 2: Convert to fraction form
    17,993.74/26,990.62 = 6,306.96/x
  3. Step 3: Cross multiply
    17,993.74x = 26,990.62 × 6,306.96
  4. Step 4: Simplify right side
    17,993.74x = 170,228,760.72
  5. Step 5: Solve for x
    x = 170,228,760.72/17,993.74
  6. Step 6: Final answer
    x = 9,460.44

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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.