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Finding the Fourth Proportional to 50,993.94, 70,360.81 and 29,763.64

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Solution

The fourth proportional to 50,993.94, 70,360.81 and 29,763.64 is: 41,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,993.94 : 70,360.81 = 29,763.64 : x
  2. Step 2: Convert to fraction form
    50,993.94/70,360.81 = 29,763.64/x
  3. Step 3: Cross multiply
    50,993.94x = 70,360.81 × 29,763.64
  4. Step 4: Simplify right side
    50,993.94x = 2,094,193,818.95
  5. Step 5: Solve for x
    x = 2,094,193,818.95/50,993.94
  6. Step 6: Final answer
    x = 41,067.50

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Why These Related Problems?

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