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Finding the Fourth Proportional to 13,393.97, 20,089.91 and 5,073.23

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Solution

The fourth proportional to 13,393.97, 20,089.91 and 5,073.23 is: 7,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.97 : 20,089.91 = 5,073.23 : x
  2. Step 2: Convert to fraction form
    13,393.97/20,089.91 = 5,073.23/x
  3. Step 3: Cross multiply
    13,393.97x = 20,089.91 × 5,073.23
  4. Step 4: Simplify right side
    13,393.97x = 101,920,708.74
  5. Step 5: Solve for x
    x = 101,920,708.74/13,393.97
  6. Step 6: Final answer
    x = 7,609.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.