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Finding the Fourth Proportional to 29,626.70, 44,390.84 and 20,843.16

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Solution

The fourth proportional to 29,626.70, 44,390.84 and 20,843.16 is: 31,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,626.70 : 44,390.84 = 20,843.16 : x
  2. Step 2: Convert to fraction form
    29,626.70/44,390.84 = 20,843.16/x
  3. Step 3: Cross multiply
    29,626.70x = 44,390.84 × 20,843.16
  4. Step 4: Simplify right side
    29,626.70x = 925,245,380.65
  5. Step 5: Solve for x
    x = 925,245,380.65/29,626.70
  6. Step 6: Final answer
    x = 31,230.12

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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.