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Finding the Fourth Proportional to 50,945.80, 71,427.80 and 50,945.80

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Solution

The fourth proportional to 50,945.80, 71,427.80 and 50,945.80 is: 71,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,945.80 : 71,427.80 = 50,945.80 : x
  2. Step 2: Convert to fraction form
    50,945.80/71,427.80 = 50,945.80/x
  3. Step 3: Cross multiply
    50,945.80x = 71,427.80 × 50,945.80
  4. Step 4: Simplify right side
    50,945.80x = 3,638,946,413.24
  5. Step 5: Solve for x
    x = 3,638,946,413.24/50,945.80
  6. Step 6: Final answer
    x = 71,427.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.