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Finding the Fourth Proportional to 6,753.67, 9,320.13 and 3,769.63

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Solution

The fourth proportional to 6,753.67, 9,320.13 and 3,769.63 is: 5,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.67 : 9,320.13 = 3,769.63 : x
  2. Step 2: Convert to fraction form
    6,753.67/9,320.13 = 3,769.63/x
  3. Step 3: Cross multiply
    6,753.67x = 9,320.13 × 3,769.63
  4. Step 4: Simplify right side
    6,753.67x = 35,133,441.65
  5. Step 5: Solve for x
    x = 35,133,441.65/6,753.67
  6. Step 6: Final answer
    x = 5,202.13

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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.