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Finding the Fourth Proportional to 16,451.66, 24,679.21 and 5,359.21

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Solution

The fourth proportional to 16,451.66, 24,679.21 and 5,359.21 is: 8,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,451.66 : 24,679.21 = 5,359.21 : x
  2. Step 2: Convert to fraction form
    16,451.66/24,679.21 = 5,359.21/x
  3. Step 3: Cross multiply
    16,451.66x = 24,679.21 × 5,359.21
  4. Step 4: Simplify right side
    16,451.66x = 132,260,993.93
  5. Step 5: Solve for x
    x = 132,260,993.93/16,451.66
  6. Step 6: Final answer
    x = 8,039.37

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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.