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Finding the Fourth Proportional to 54,544, 81,811.60 and 15,101.84

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Solution

The fourth proportional to 54,544, 81,811.60 and 15,101.84 is: 22,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,544 : 81,811.60 = 15,101.84 : x
  2. Step 2: Convert to fraction form
    54,544/81,811.60 = 15,101.84/x
  3. Step 3: Cross multiply
    54,544x = 81,811.60 × 15,101.84
  4. Step 4: Simplify right side
    54,544x = 1,235,505,693.34
  5. Step 5: Solve for x
    x = 1,235,505,693.34/54,544
  6. Step 6: Final answer
    x = 22,651.54

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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.