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Finding the Fourth Proportional to 50,791.74, 70,093.59 and 30,394.77

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Solution

The fourth proportional to 50,791.74, 70,093.59 and 30,394.77 is: 41,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,791.74 : 70,093.59 = 30,394.77 : x
  2. Step 2: Convert to fraction form
    50,791.74/70,093.59 = 30,394.77/x
  3. Step 3: Cross multiply
    50,791.74x = 70,093.59 × 30,394.77
  4. Step 4: Simplify right side
    50,791.74x = 2,130,478,546.52
  5. Step 5: Solve for x
    x = 2,130,478,546.52/50,791.74
  6. Step 6: Final answer
    x = 41,945.37

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1.5x scale

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.