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Finding the Fourth Proportional to 50,571.65, 69,774.49 and 30,418.45

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Solution

The fourth proportional to 50,571.65, 69,774.49 and 30,418.45 is: 41,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,571.65 : 69,774.49 = 30,418.45 : x
  2. Step 2: Convert to fraction form
    50,571.65/69,774.49 = 30,418.45/x
  3. Step 3: Cross multiply
    50,571.65x = 69,774.49 × 30,418.45
  4. Step 4: Simplify right side
    50,571.65x = 2,122,431,835.34
  5. Step 5: Solve for x
    x = 2,122,431,835.34/50,571.65
  6. Step 6: Final answer
    x = 41,968.81

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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.