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Finding the Fourth Proportional to 5,393.82, 8,093.82 and 2,928.84

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Solution

The fourth proportional to 5,393.82, 8,093.82 and 2,928.84 is: 4,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.82 : 8,093.82 = 2,928.84 : x
  2. Step 2: Convert to fraction form
    5,393.82/8,093.82 = 2,928.84/x
  3. Step 3: Cross multiply
    5,393.82x = 8,093.82 × 2,928.84
  4. Step 4: Simplify right side
    5,393.82x = 23,705,503.77
  5. Step 5: Solve for x
    x = 23,705,503.77/5,393.82
  6. Step 6: Final answer
    x = 4,394.94

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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.