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Finding the Fourth Proportional to 9,081.68, 13,623.48 and 3,238.80

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Solution

The fourth proportional to 9,081.68, 13,623.48 and 3,238.80 is: 4,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.68 : 13,623.48 = 3,238.80 : x
  2. Step 2: Convert to fraction form
    9,081.68/13,623.48 = 3,238.80/x
  3. Step 3: Cross multiply
    9,081.68x = 13,623.48 × 3,238.80
  4. Step 4: Simplify right side
    9,081.68x = 44,123,727.02
  5. Step 5: Solve for x
    x = 44,123,727.02/9,081.68
  6. Step 6: Final answer
    x = 4,858.54

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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.