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Finding the Fourth Proportional to 5,481, 7,563.96 and 2,997

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Solution

The fourth proportional to 5,481, 7,563.96 and 2,997 is: 4,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481 : 7,563.96 = 2,997 : x
  2. Step 2: Convert to fraction form
    5,481/7,563.96 = 2,997/x
  3. Step 3: Cross multiply
    5,481x = 7,563.96 × 2,997
  4. Step 4: Simplify right side
    5,481x = 22,669,188.12
  5. Step 5: Solve for x
    x = 22,669,188.12/5,481
  6. Step 6: Final answer
    x = 4,135.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.