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Finding the Fourth Proportional to 6,804.49, 9,390.19 and 3,820.33

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Solution

The fourth proportional to 6,804.49, 9,390.19 and 3,820.33 is: 5,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.49 : 9,390.19 = 3,820.33 : x
  2. Step 2: Convert to fraction form
    6,804.49/9,390.19 = 3,820.33/x
  3. Step 3: Cross multiply
    6,804.49x = 9,390.19 × 3,820.33
  4. Step 4: Simplify right side
    6,804.49x = 35,873,624.56
  5. Step 5: Solve for x
    x = 35,873,624.56/6,804.49
  6. Step 6: Final answer
    x = 5,272.05

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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.