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Finding the Fourth Proportional to 16,396.29, 24,599.16 and 8,078.81

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Solution

The fourth proportional to 16,396.29, 24,599.16 and 8,078.81 is: 12,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,396.29 : 24,599.16 = 8,078.81 : x
  2. Step 2: Convert to fraction form
    16,396.29/24,599.16 = 8,078.81/x
  3. Step 3: Cross multiply
    16,396.29x = 24,599.16 × 8,078.81
  4. Step 4: Simplify right side
    16,396.29x = 198,731,816.80
  5. Step 5: Solve for x
    x = 198,731,816.80/16,396.29
  6. Step 6: Final answer
    x = 12,120.54

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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.