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Finding the Fourth Proportional to 3,372.99, 4,650.80 and 2,741.60

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Solution

The fourth proportional to 3,372.99, 4,650.80 and 2,741.60 is: 3,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.99 : 4,650.80 = 2,741.60 : x
  2. Step 2: Convert to fraction form
    3,372.99/4,650.80 = 2,741.60/x
  3. Step 3: Cross multiply
    3,372.99x = 4,650.80 × 2,741.60
  4. Step 4: Simplify right side
    3,372.99x = 12,750,596.32
  5. Step 5: Solve for x
    x = 12,750,596.32/3,372.99
  6. Step 6: Final answer
    x = 3,780.21

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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.