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Finding the Fourth Proportional to 9,108.53, 13,664.65 and 3,843.56

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Solution

The fourth proportional to 9,108.53, 13,664.65 and 3,843.56 is: 5,766.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.53 : 13,664.65 = 3,843.56 : x
  2. Step 2: Convert to fraction form
    9,108.53/13,664.65 = 3,843.56/x
  3. Step 3: Cross multiply
    9,108.53x = 13,664.65 × 3,843.56
  4. Step 4: Simplify right side
    9,108.53x = 52,520,895.48
  5. Step 5: Solve for x
    x = 52,520,895.48/9,108.53
  6. Step 6: Final answer
    x = 5,766.12

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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.