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Finding the Fourth Proportional to 6,768.46, 9,340.16 and 3,784.19

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Solution

The fourth proportional to 6,768.46, 9,340.16 and 3,784.19 is: 5,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.46 : 9,340.16 = 3,784.19 : x
  2. Step 2: Convert to fraction form
    6,768.46/9,340.16 = 3,784.19/x
  3. Step 3: Cross multiply
    6,768.46x = 9,340.16 × 3,784.19
  4. Step 4: Simplify right side
    6,768.46x = 35,344,974.54
  5. Step 5: Solve for x
    x = 35,344,974.54/6,768.46
  6. Step 6: Final answer
    x = 5,222.01

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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.