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Finding the Fourth Proportional to 43,998.84, 65,992.90 and 12,834.12

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Solution

The fourth proportional to 43,998.84, 65,992.90 and 12,834.12 is: 19,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,998.84 : 65,992.90 = 12,834.12 : x
  2. Step 2: Convert to fraction form
    43,998.84/65,992.90 = 12,834.12/x
  3. Step 3: Cross multiply
    43,998.84x = 65,992.90 × 12,834.12
  4. Step 4: Simplify right side
    43,998.84x = 846,960,797.75
  5. Step 5: Solve for x
    x = 846,960,797.75/43,998.84
  6. Step 6: Final answer
    x = 19,249.62

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Similar ratio
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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.