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Finding the Fourth Proportional to 17,393.40, 26,069.04 and 8,020.62

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Solution

The fourth proportional to 17,393.40, 26,069.04 and 8,020.62 is: 12,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.40 : 26,069.04 = 8,020.62 : x
  2. Step 2: Convert to fraction form
    17,393.40/26,069.04 = 8,020.62/x
  3. Step 3: Cross multiply
    17,393.40x = 26,069.04 × 8,020.62
  4. Step 4: Simplify right side
    17,393.40x = 209,089,863.60
  5. Step 5: Solve for x
    x = 209,089,863.60/17,393.40
  6. Step 6: Final answer
    x = 12,021.22

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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.