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Finding the Fourth Proportional to 50,731.44, 70,020.42 and 29,513.49

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Solution

The fourth proportional to 50,731.44, 70,020.42 and 29,513.49 is: 40,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,731.44 : 70,020.42 = 29,513.49 : x
  2. Step 2: Convert to fraction form
    50,731.44/70,020.42 = 29,513.49/x
  3. Step 3: Cross multiply
    50,731.44x = 70,020.42 × 29,513.49
  4. Step 4: Simplify right side
    50,731.44x = 2,066,546,467.80
  5. Step 5: Solve for x
    x = 2,066,546,467.80/50,731.44
  6. Step 6: Final answer
    x = 40,735.03

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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.