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Finding the Fourth Proportional to 16,581.70, 24,872.55 and 16,408.90

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Solution

The fourth proportional to 16,581.70, 24,872.55 and 16,408.90 is: 24,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.70 : 24,872.55 = 16,408.90 : x
  2. Step 2: Convert to fraction form
    16,581.70/24,872.55 = 16,408.90/x
  3. Step 3: Cross multiply
    16,581.70x = 24,872.55 × 16,408.90
  4. Step 4: Simplify right side
    16,581.70x = 408,131,185.70
  5. Step 5: Solve for x
    x = 408,131,185.70/16,581.70
  6. Step 6: Final answer
    x = 24,613.35

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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.