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Finding the Fourth Proportional to 6,866.56, 10,293.76 and 3,306.88

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Solution

The fourth proportional to 6,866.56, 10,293.76 and 3,306.88 is: 4,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.56 : 10,293.76 = 3,306.88 : x
  2. Step 2: Convert to fraction form
    6,866.56/10,293.76 = 3,306.88/x
  3. Step 3: Cross multiply
    6,866.56x = 10,293.76 × 3,306.88
  4. Step 4: Simplify right side
    6,866.56x = 34,040,229.07
  5. Step 5: Solve for x
    x = 34,040,229.07/6,866.56
  6. Step 6: Final answer
    x = 4,957.39

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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.