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Finding the Fourth Proportional to 6,728.69, 9,270.55 and 4,933.09

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Solution

The fourth proportional to 6,728.69, 9,270.55 and 4,933.09 is: 6,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.69 : 9,270.55 = 4,933.09 : x
  2. Step 2: Convert to fraction form
    6,728.69/9,270.55 = 4,933.09/x
  3. Step 3: Cross multiply
    6,728.69x = 9,270.55 × 4,933.09
  4. Step 4: Simplify right side
    6,728.69x = 45,732,457.50
  5. Step 5: Solve for x
    x = 45,732,457.50/6,728.69
  6. Step 6: Final answer
    x = 6,796.64

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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.