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Finding the Fourth Proportional to 17,998.40, 26,996.74 and 6,310.73

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Solution

The fourth proportional to 17,998.40, 26,996.74 and 6,310.73 is: 9,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.40 : 26,996.74 = 6,310.73 : x
  2. Step 2: Convert to fraction form
    17,998.40/26,996.74 = 6,310.73/x
  3. Step 3: Cross multiply
    17,998.40x = 26,996.74 × 6,310.73
  4. Step 4: Simplify right side
    17,998.40x = 170,369,137.02
  5. Step 5: Solve for x
    x = 170,369,137.02/17,998.40
  6. Step 6: Final answer
    x = 9,465.79

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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.