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Finding the Fourth Proportional to 26,755.57, 36,923 and 14,819.11

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Solution

The fourth proportional to 26,755.57, 36,923 and 14,819.11 is: 20,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.57 : 36,923 = 14,819.11 : x
  2. Step 2: Convert to fraction form
    26,755.57/36,923 = 14,819.11/x
  3. Step 3: Cross multiply
    26,755.57x = 36,923 × 14,819.11
  4. Step 4: Simplify right side
    26,755.57x = 547,165,998.53
  5. Step 5: Solve for x
    x = 547,165,998.53/26,755.57
  6. Step 6: Final answer
    x = 20,450.55

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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.