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Finding the Fourth Proportional to 50,758, 76,140.60 and 15,693.10

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Solution

The fourth proportional to 50,758, 76,140.60 and 15,693.10 is: 23,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,758 : 76,140.60 = 15,693.10 : x
  2. Step 2: Convert to fraction form
    50,758/76,140.60 = 15,693.10/x
  3. Step 3: Cross multiply
    50,758x = 76,140.60 × 15,693.10
  4. Step 4: Simplify right side
    50,758x = 1,194,882,049.86
  5. Step 5: Solve for x
    x = 1,194,882,049.86/50,758
  6. Step 6: Final answer
    x = 23,540.76

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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.