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Finding the Fourth Proportional to 26,755.79, 40,111.79 and 10,106.37

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Solution

The fourth proportional to 26,755.79, 40,111.79 and 10,106.37 is: 15,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.79 : 40,111.79 = 10,106.37 : x
  2. Step 2: Convert to fraction form
    26,755.79/40,111.79 = 10,106.37/x
  3. Step 3: Cross multiply
    26,755.79x = 40,111.79 × 10,106.37
  4. Step 4: Simplify right side
    26,755.79x = 405,384,540.57
  5. Step 5: Solve for x
    x = 405,384,540.57/26,755.79
  6. Step 6: Final answer
    x = 15,151.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.