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Finding the Fourth Proportional to 26,640.65, 36,764.49 and 14,704.49

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Solution

The fourth proportional to 26,640.65, 36,764.49 and 14,704.49 is: 20,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,640.65 : 36,764.49 = 14,704.49 : x
  2. Step 2: Convert to fraction form
    26,640.65/36,764.49 = 14,704.49/x
  3. Step 3: Cross multiply
    26,640.65x = 36,764.49 × 14,704.49
  4. Step 4: Simplify right side
    26,640.65x = 540,603,075.56
  5. Step 5: Solve for x
    x = 540,603,075.56/26,640.65
  6. Step 6: Final answer
    x = 20,292.41

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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.