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Finding the Fourth Proportional to 8,967.66, 13,452.21 and 2,728.23

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Solution

The fourth proportional to 8,967.66, 13,452.21 and 2,728.23 is: 4,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.66 : 13,452.21 = 2,728.23 : x
  2. Step 2: Convert to fraction form
    8,967.66/13,452.21 = 2,728.23/x
  3. Step 3: Cross multiply
    8,967.66x = 13,452.21 × 2,728.23
  4. Step 4: Simplify right side
    8,967.66x = 36,700,722.89
  5. Step 5: Solve for x
    x = 36,700,722.89/8,967.66
  6. Step 6: Final answer
    x = 4,092.56

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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.