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Finding the Fourth Proportional to 16,645.13, 24,945.81 and 8,216.27

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Solution

The fourth proportional to 16,645.13, 24,945.81 and 8,216.27 is: 12,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645.13 : 24,945.81 = 8,216.27 : x
  2. Step 2: Convert to fraction form
    16,645.13/24,945.81 = 8,216.27/x
  3. Step 3: Cross multiply
    16,645.13x = 24,945.81 × 8,216.27
  4. Step 4: Simplify right side
    16,645.13x = 204,961,385.60
  5. Step 5: Solve for x
    x = 204,961,385.60/16,645.13
  6. Step 6: Final answer
    x = 12,313.60

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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.