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Finding the Fourth Proportional to 29,708.82, 41,010.82 and 20,020.40

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Solution

The fourth proportional to 29,708.82, 41,010.82 and 20,020.40 is: 27,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,708.82 : 41,010.82 = 20,020.40 : x
  2. Step 2: Convert to fraction form
    29,708.82/41,010.82 = 20,020.40/x
  3. Step 3: Cross multiply
    29,708.82x = 41,010.82 × 20,020.40
  4. Step 4: Simplify right side
    29,708.82x = 821,053,020.73
  5. Step 5: Solve for x
    x = 821,053,020.73/29,708.82
  6. Step 6: Final answer
    x = 27,636.68

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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.