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Finding the Fourth Proportional to 7,273.91, 10,910.91 and 3,324.35

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Solution

The fourth proportional to 7,273.91, 10,910.91 and 3,324.35 is: 4,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.91 : 10,910.91 = 3,324.35 : x
  2. Step 2: Convert to fraction form
    7,273.91/10,910.91 = 3,324.35/x
  3. Step 3: Cross multiply
    7,273.91x = 10,910.91 × 3,324.35
  4. Step 4: Simplify right side
    7,273.91x = 36,271,683.66
  5. Step 5: Solve for x
    x = 36,271,683.66/7,273.91
  6. Step 6: Final answer
    x = 4,986.55

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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.