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Finding the Fourth Proportional to 6,608.49, 9,912.54 and 2,658.53

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Solution

The fourth proportional to 6,608.49, 9,912.54 and 2,658.53 is: 3,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.49 : 9,912.54 = 2,658.53 : x
  2. Step 2: Convert to fraction form
    6,608.49/9,912.54 = 2,658.53/x
  3. Step 3: Cross multiply
    6,608.49x = 9,912.54 × 2,658.53
  4. Step 4: Simplify right side
    6,608.49x = 26,352,735.40
  5. Step 5: Solve for x
    x = 26,352,735.40/6,608.49
  6. Step 6: Final answer
    x = 3,987.71

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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.