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Finding the Fourth Proportional to 23,195.54, 34,811.76 and 8,408.68

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Solution

The fourth proportional to 23,195.54, 34,811.76 and 8,408.68 is: 12,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,195.54 : 34,811.76 = 8,408.68 : x
  2. Step 2: Convert to fraction form
    23,195.54/34,811.76 = 8,408.68/x
  3. Step 3: Cross multiply
    23,195.54x = 34,811.76 × 8,408.68
  4. Step 4: Simplify right side
    23,195.54x = 292,720,950.08
  5. Step 5: Solve for x
    x = 292,720,950.08/23,195.54
  6. Step 6: Final answer
    x = 12,619.71

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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.