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Finding the Fourth Proportional to 5,563.72, 8,336.78 and 2,965.96

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Solution

The fourth proportional to 5,563.72, 8,336.78 and 2,965.96 is: 4,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.72 : 8,336.78 = 2,965.96 : x
  2. Step 2: Convert to fraction form
    5,563.72/8,336.78 = 2,965.96/x
  3. Step 3: Cross multiply
    5,563.72x = 8,336.78 × 2,965.96
  4. Step 4: Simplify right side
    5,563.72x = 24,726,556.01
  5. Step 5: Solve for x
    x = 24,726,556.01/5,563.72
  6. Step 6: Final answer
    x = 4,444.25

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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.