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Finding the Fourth Proportional to 50,662.70, 75,993.92 and 47,579.93

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Solution

The fourth proportional to 50,662.70, 75,993.92 and 47,579.93 is: 71,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,662.70 : 75,993.92 = 47,579.93 : x
  2. Step 2: Convert to fraction form
    50,662.70/75,993.92 = 47,579.93/x
  3. Step 3: Cross multiply
    50,662.70x = 75,993.92 × 47,579.93
  4. Step 4: Simplify right side
    50,662.70x = 3,615,784,776.16
  5. Step 5: Solve for x
    x = 3,615,784,776.16/50,662.70
  6. Step 6: Final answer
    x = 71,369.77

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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.