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Finding the Fourth Proportional to 49,953.44, 74,881.45 and 19,958.73

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Solution

The fourth proportional to 49,953.44, 74,881.45 and 19,958.73 is: 29,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.44 : 74,881.45 = 19,958.73 : x
  2. Step 2: Convert to fraction form
    49,953.44/74,881.45 = 19,958.73/x
  3. Step 3: Cross multiply
    49,953.44x = 74,881.45 × 19,958.73
  4. Step 4: Simplify right side
    49,953.44x = 1,494,538,786.06
  5. Step 5: Solve for x
    x = 1,494,538,786.06/49,953.44
  6. Step 6: Final answer
    x = 29,918.64

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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.