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Finding the Fourth Proportional to 36,955.49, 50,998.80 and 20,188.49

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Solution

The fourth proportional to 36,955.49, 50,998.80 and 20,188.49 is: 27,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,955.49 : 50,998.80 = 20,188.49 : x
  2. Step 2: Convert to fraction form
    36,955.49/50,998.80 = 20,188.49/x
  3. Step 3: Cross multiply
    36,955.49x = 50,998.80 × 20,188.49
  4. Step 4: Simplify right side
    36,955.49x = 1,029,588,407.88
  5. Step 5: Solve for x
    x = 1,029,588,407.88/36,955.49
  6. Step 6: Final answer
    x = 27,860.23

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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.