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Finding the Fourth Proportional to 50,738.80, 70,035.80 and 35,635.12

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Solution

The fourth proportional to 50,738.80, 70,035.80 and 35,635.12 is: 49,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,738.80 : 70,035.80 = 35,635.12 : x
  2. Step 2: Convert to fraction form
    50,738.80/70,035.80 = 35,635.12/x
  3. Step 3: Cross multiply
    50,738.80x = 70,035.80 × 35,635.12
  4. Step 4: Simplify right side
    50,738.80x = 2,495,734,137.30
  5. Step 5: Solve for x
    x = 2,495,734,137.30/50,738.80
  6. Step 6: Final answer
    x = 49,187.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.