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Finding the Fourth Proportional to 54,150.80, 81,226.55 and 35,446.54

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Solution

The fourth proportional to 54,150.80, 81,226.55 and 35,446.54 is: 53,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,150.80 : 81,226.55 = 35,446.54 : x
  2. Step 2: Convert to fraction form
    54,150.80/81,226.55 = 35,446.54/x
  3. Step 3: Cross multiply
    54,150.80x = 81,226.55 × 35,446.54
  4. Step 4: Simplify right side
    54,150.80x = 2,879,200,277.66
  5. Step 5: Solve for x
    x = 2,879,200,277.66/54,150.80
  6. Step 6: Final answer
    x = 53,170.04

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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.