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Finding the Fourth Proportional to 6,481.55, 8,944.99 and 3,649.19

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Solution

The fourth proportional to 6,481.55, 8,944.99 and 3,649.19 is: 5,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.55 : 8,944.99 = 3,649.19 : x
  2. Step 2: Convert to fraction form
    6,481.55/8,944.99 = 3,649.19/x
  3. Step 3: Cross multiply
    6,481.55x = 8,944.99 × 3,649.19
  4. Step 4: Simplify right side
    6,481.55x = 32,641,914.21
  5. Step 5: Solve for x
    x = 32,641,914.21/6,481.55
  6. Step 6: Final answer
    x = 5,036.13

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1.5x scale

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.