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Finding the Fourth Proportional to 40,269, 55,571.97 and 22,365.66

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Solution

The fourth proportional to 40,269, 55,571.97 and 22,365.66 is: 30,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,269 : 55,571.97 = 22,365.66 : x
  2. Step 2: Convert to fraction form
    40,269/55,571.97 = 22,365.66/x
  3. Step 3: Cross multiply
    40,269x = 55,571.97 × 22,365.66
  4. Step 4: Simplify right side
    40,269x = 1,242,903,786.55
  5. Step 5: Solve for x
    x = 1,242,903,786.55/40,269
  6. Step 6: Final answer
    x = 30,865.03

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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.