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Finding the Fourth Proportional to 50,662.57, 75,993.73 and 47,579.79

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Solution

The fourth proportional to 50,662.57, 75,993.73 and 47,579.79 is: 71,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,662.57 : 75,993.73 = 47,579.79 : x
  2. Step 2: Convert to fraction form
    50,662.57/75,993.73 = 47,579.79/x
  3. Step 3: Cross multiply
    50,662.57x = 75,993.73 × 47,579.79
  4. Step 4: Simplify right side
    50,662.57x = 3,615,766,059.17
  5. Step 5: Solve for x
    x = 3,615,766,059.17/50,662.57
  6. Step 6: Final answer
    x = 71,369.58

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1.5x scale

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.