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Finding the Fourth Proportional to 43,914.84, 65,872.41 and 10,634.85

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Solution

The fourth proportional to 43,914.84, 65,872.41 and 10,634.85 is: 15,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,914.84 : 65,872.41 = 10,634.85 : x
  2. Step 2: Convert to fraction form
    43,914.84/65,872.41 = 10,634.85/x
  3. Step 3: Cross multiply
    43,914.84x = 65,872.41 × 10,634.85
  4. Step 4: Simplify right side
    43,914.84x = 700,543,199.49
  5. Step 5: Solve for x
    x = 700,543,199.49/43,914.84
  6. Step 6: Final answer
    x = 15,952.31

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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.