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Finding the Fourth Proportional to 17,679.60, 26,520.60 and 5,993.70

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Solution

The fourth proportional to 17,679.60, 26,520.60 and 5,993.70 is: 8,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.60 : 26,520.60 = 5,993.70 : x
  2. Step 2: Convert to fraction form
    17,679.60/26,520.60 = 5,993.70/x
  3. Step 3: Cross multiply
    17,679.60x = 26,520.60 × 5,993.70
  4. Step 4: Simplify right side
    17,679.60x = 158,956,520.22
  5. Step 5: Solve for x
    x = 158,956,520.22/17,679.60
  6. Step 6: Final answer
    x = 8,990.96

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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.