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Finding the Fourth Proportional to 6,736.44, 9,300.88 and 4,219.56

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Solution

The fourth proportional to 6,736.44, 9,300.88 and 4,219.56 is: 5,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,736.44 : 9,300.88 = 4,219.56 : x
  2. Step 2: Convert to fraction form
    6,736.44/9,300.88 = 4,219.56/x
  3. Step 3: Cross multiply
    6,736.44x = 9,300.88 × 4,219.56
  4. Step 4: Simplify right side
    6,736.44x = 39,245,621.21
  5. Step 5: Solve for x
    x = 39,245,621.21/6,736.44
  6. Step 6: Final answer
    x = 5,825.87

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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.