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Finding the Fourth Proportional to 36,049.65, 54,079.65 and 11,091.80

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Solution

The fourth proportional to 36,049.65, 54,079.65 and 11,091.80 is: 16,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,049.65 : 54,079.65 = 11,091.80 : x
  2. Step 2: Convert to fraction form
    36,049.65/54,079.65 = 11,091.80/x
  3. Step 3: Cross multiply
    36,049.65x = 54,079.65 × 11,091.80
  4. Step 4: Simplify right side
    36,049.65x = 599,840,391.47
  5. Step 5: Solve for x
    x = 599,840,391.47/36,049.65
  6. Step 6: Final answer
    x = 16,639.28

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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.