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Finding the Fourth Proportional to 50,643.70, 75,856.20 and 44,082.70

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Solution

The fourth proportional to 50,643.70, 75,856.20 and 44,082.70 is: 66,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,643.70 : 75,856.20 = 44,082.70 : x
  2. Step 2: Convert to fraction form
    50,643.70/75,856.20 = 44,082.70/x
  3. Step 3: Cross multiply
    50,643.70x = 75,856.20 × 44,082.70
  4. Step 4: Simplify right side
    50,643.70x = 3,343,946,107.74
  5. Step 5: Solve for x
    x = 3,343,946,107.74/50,643.70
  6. Step 6: Final answer
    x = 66,028.87

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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.