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Finding the Fourth Proportional to 43,841.98, 65,768.79 and 14,249.85

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Solution

The fourth proportional to 43,841.98, 65,768.79 and 14,249.85 is: 21,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,841.98 : 65,768.79 = 14,249.85 : x
  2. Step 2: Convert to fraction form
    43,841.98/65,768.79 = 14,249.85/x
  3. Step 3: Cross multiply
    43,841.98x = 65,768.79 × 14,249.85
  4. Step 4: Simplify right side
    43,841.98x = 937,195,198.99
  5. Step 5: Solve for x
    x = 937,195,198.99/43,841.98
  6. Step 6: Final answer
    x = 21,376.66

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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.