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Finding the Fourth Proportional to 17,993.50, 26,990.33 and 6,903.59

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Solution

The fourth proportional to 17,993.50, 26,990.33 and 6,903.59 is: 10,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.50 : 26,990.33 = 6,903.59 : x
  2. Step 2: Convert to fraction form
    17,993.50/26,990.33 = 6,903.59/x
  3. Step 3: Cross multiply
    17,993.50x = 26,990.33 × 6,903.59
  4. Step 4: Simplify right side
    17,993.50x = 186,330,002.82
  5. Step 5: Solve for x
    x = 186,330,002.82/17,993.50
  6. Step 6: Final answer
    x = 10,355.41

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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.