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Finding the Fourth Proportional to 50,757.53, 76,135.87 and 39,673.54

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Solution

The fourth proportional to 50,757.53, 76,135.87 and 39,673.54 is: 59,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,757.53 : 76,135.87 = 39,673.54 : x
  2. Step 2: Convert to fraction form
    50,757.53/76,135.87 = 39,673.54/x
  3. Step 3: Cross multiply
    50,757.53x = 76,135.87 × 39,673.54
  4. Step 4: Simplify right side
    50,757.53x = 3,020,579,483.88
  5. Step 5: Solve for x
    x = 3,020,579,483.88/50,757.53
  6. Step 6: Final answer
    x = 59,509.98

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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.