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Finding the Fourth Proportional to 26,745.96, 36,870.96 and 18,763.44

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Solution

The fourth proportional to 26,745.96, 36,870.96 and 18,763.44 is: 25,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,745.96 : 36,870.96 = 18,763.44 : x
  2. Step 2: Convert to fraction form
    26,745.96/36,870.96 = 18,763.44/x
  3. Step 3: Cross multiply
    26,745.96x = 36,870.96 × 18,763.44
  4. Step 4: Simplify right side
    26,745.96x = 691,826,045.70
  5. Step 5: Solve for x
    x = 691,826,045.70/26,745.96
  6. Step 6: Final answer
    x = 25,866.56

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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.