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Finding the Fourth Proportional to 50,763, 76,151.76 and 15,705.39

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Solution

The fourth proportional to 50,763, 76,151.76 and 15,705.39 is: 23,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,763 : 76,151.76 = 15,705.39 : x
  2. Step 2: Convert to fraction form
    50,763/76,151.76 = 15,705.39/x
  3. Step 3: Cross multiply
    50,763x = 76,151.76 × 15,705.39
  4. Step 4: Simplify right side
    50,763x = 1,195,993,089.99
  5. Step 5: Solve for x
    x = 1,195,993,089.99/50,763
  6. Step 6: Final answer
    x = 23,560.33

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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.