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Finding the Fourth Proportional to 36,821.40, 50,843.48 and 30,016.48

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Solution

The fourth proportional to 36,821.40, 50,843.48 and 30,016.48 is: 41,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.40 : 50,843.48 = 30,016.48 : x
  2. Step 2: Convert to fraction form
    36,821.40/50,843.48 = 30,016.48/x
  3. Step 3: Cross multiply
    36,821.40x = 50,843.48 × 30,016.48
  4. Step 4: Simplify right side
    36,821.40x = 1,526,142,300.55
  5. Step 5: Solve for x
    x = 1,526,142,300.55/36,821.40
  6. Step 6: Final answer
    x = 41,447.16

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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.