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Finding the Fourth Proportional to 49,871.43, 74,719.49 and 44,447.67

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Solution

The fourth proportional to 49,871.43, 74,719.49 and 44,447.67 is: 66,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,871.43 : 74,719.49 = 44,447.67 : x
  2. Step 2: Convert to fraction form
    49,871.43/74,719.49 = 44,447.67/x
  3. Step 3: Cross multiply
    49,871.43x = 74,719.49 × 44,447.67
  4. Step 4: Simplify right side
    49,871.43x = 3,321,107,011.85
  5. Step 5: Solve for x
    x = 3,321,107,011.85/49,871.43
  6. Step 6: Final answer
    x = 66,593.38

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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.