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Finding the Fourth Proportional to 54,055, 81,027.78 and 25,933.72

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Solution

The fourth proportional to 54,055, 81,027.78 and 25,933.72 is: 38,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,055 : 81,027.78 = 25,933.72 : x
  2. Step 2: Convert to fraction form
    54,055/81,027.78 = 25,933.72/x
  3. Step 3: Cross multiply
    54,055x = 81,027.78 × 25,933.72
  4. Step 4: Simplify right side
    54,055x = 2,101,351,758.74
  5. Step 5: Solve for x
    x = 2,101,351,758.74/54,055
  6. Step 6: Final answer
    x = 38,874.33

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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.