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Finding the Fourth Proportional to 36,948.41, 50,988.81 and 20,181.41

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Solution

The fourth proportional to 36,948.41, 50,988.81 and 20,181.41 is: 27,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,948.41 : 50,988.81 = 20,181.41 : x
  2. Step 2: Convert to fraction form
    36,948.41/50,988.81 = 20,181.41/x
  3. Step 3: Cross multiply
    36,948.41x = 50,988.81 × 20,181.41
  4. Step 4: Simplify right side
    36,948.41x = 1,029,026,080.02
  5. Step 5: Solve for x
    x = 1,029,026,080.02/36,948.41
  6. Step 6: Final answer
    x = 27,850.35

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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.