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Finding the Fourth Proportional to 50,576.67, 75,898.82 and 20,994.51

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Solution

The fourth proportional to 50,576.67, 75,898.82 and 20,994.51 is: 31,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,576.67 : 75,898.82 = 20,994.51 : x
  2. Step 2: Convert to fraction form
    50,576.67/75,898.82 = 20,994.51/x
  3. Step 3: Cross multiply
    50,576.67x = 75,898.82 × 20,994.51
  4. Step 4: Simplify right side
    50,576.67x = 1,593,458,430.51
  5. Step 5: Solve for x
    x = 1,593,458,430.51/50,576.67
  6. Step 6: Final answer
    x = 31,505.80

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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.