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Finding the Fourth Proportional to 50,415.75, 69,574.95 and 30,273.48

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Solution

The fourth proportional to 50,415.75, 69,574.95 and 30,273.48 is: 41,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415.75 : 69,574.95 = 30,273.48 : x
  2. Step 2: Convert to fraction form
    50,415.75/69,574.95 = 30,273.48/x
  3. Step 3: Cross multiply
    50,415.75x = 69,574.95 × 30,273.48
  4. Step 4: Simplify right side
    50,415.75x = 2,106,275,857.33
  5. Step 5: Solve for x
    x = 2,106,275,857.33/50,415.75
  6. Step 6: Final answer
    x = 41,778.13

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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.