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Finding the Fourth Proportional to 6,768.70, 10,142.07 and 3,477.22

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Solution

The fourth proportional to 6,768.70, 10,142.07 and 3,477.22 is: 5,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.70 : 10,142.07 = 3,477.22 : x
  2. Step 2: Convert to fraction form
    6,768.70/10,142.07 = 3,477.22/x
  3. Step 3: Cross multiply
    6,768.70x = 10,142.07 × 3,477.22
  4. Step 4: Simplify right side
    6,768.70x = 35,266,208.65
  5. Step 5: Solve for x
    x = 35,266,208.65/6,768.70
  6. Step 6: Final answer
    x = 5,210.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.