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Finding the Fourth Proportional to 6,708.50, 9,257.89 and 3,764.50

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Solution

The fourth proportional to 6,708.50, 9,257.89 and 3,764.50 is: 5,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.50 : 9,257.89 = 3,764.50 : x
  2. Step 2: Convert to fraction form
    6,708.50/9,257.89 = 3,764.50/x
  3. Step 3: Cross multiply
    6,708.50x = 9,257.89 × 3,764.50
  4. Step 4: Simplify right side
    6,708.50x = 34,851,326.91
  5. Step 5: Solve for x
    x = 34,851,326.91/6,708.50
  6. Step 6: Final answer
    x = 5,195.10

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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.