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Finding the Fourth Proportional to 6,707.68, 9,255.23 and 3,722.89

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Solution

The fourth proportional to 6,707.68, 9,255.23 and 3,722.89 is: 5,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.68 : 9,255.23 = 3,722.89 : x
  2. Step 2: Convert to fraction form
    6,707.68/9,255.23 = 3,722.89/x
  3. Step 3: Cross multiply
    6,707.68x = 9,255.23 × 3,722.89
  4. Step 4: Simplify right side
    6,707.68x = 34,456,203.21
  5. Step 5: Solve for x
    x = 34,456,203.21/6,707.68
  6. Step 6: Final answer
    x = 5,136.83

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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.