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Finding the Fourth Proportional to 26,192, 36,144.96 and 15,020.48

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Solution

The fourth proportional to 26,192, 36,144.96 and 15,020.48 is: 20,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,192 : 36,144.96 = 15,020.48 : x
  2. Step 2: Convert to fraction form
    26,192/36,144.96 = 15,020.48/x
  3. Step 3: Cross multiply
    26,192x = 36,144.96 × 15,020.48
  4. Step 4: Simplify right side
    26,192x = 542,914,648.78
  5. Step 5: Solve for x
    x = 542,914,648.78/26,192
  6. Step 6: Final answer
    x = 20,728.26

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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.