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Finding the Fourth Proportional to 5,928.55, 8,893.79 and 2,231.08

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Solution

The fourth proportional to 5,928.55, 8,893.79 and 2,231.08 is: 3,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.55 : 8,893.79 = 2,231.08 : x
  2. Step 2: Convert to fraction form
    5,928.55/8,893.79 = 2,231.08/x
  3. Step 3: Cross multiply
    5,928.55x = 8,893.79 × 2,231.08
  4. Step 4: Simplify right side
    5,928.55x = 19,842,745.84
  5. Step 5: Solve for x
    x = 19,842,745.84/5,928.55
  6. Step 6: Final answer
    x = 3,346.98

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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.