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Finding the Fourth Proportional to 16,313.24, 22,512.28 and 8,861.24

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Solution

The fourth proportional to 16,313.24, 22,512.28 and 8,861.24 is: 12,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,313.24 : 22,512.28 = 8,861.24 : x
  2. Step 2: Convert to fraction form
    16,313.24/22,512.28 = 8,861.24/x
  3. Step 3: Cross multiply
    16,313.24x = 22,512.28 × 8,861.24
  4. Step 4: Simplify right side
    16,313.24x = 199,486,716.03
  5. Step 5: Solve for x
    x = 199,486,716.03/16,313.24
  6. Step 6: Final answer
    x = 12,228.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.