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Finding the Fourth Proportional to 15,993.39, 23,989.39 and 5,464.35

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Solution

The fourth proportional to 15,993.39, 23,989.39 and 5,464.35 is: 8,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.39 : 23,989.39 = 5,464.35 : x
  2. Step 2: Convert to fraction form
    15,993.39/23,989.39 = 5,464.35/x
  3. Step 3: Cross multiply
    15,993.39x = 23,989.39 × 5,464.35
  4. Step 4: Simplify right side
    15,993.39x = 131,086,275.98
  5. Step 5: Solve for x
    x = 131,086,275.98/15,993.39
  6. Step 6: Final answer
    x = 8,196.28

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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.