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Finding the Fourth Proportional to 16,512.96, 24,771.84 and 8,719.68

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Solution

The fourth proportional to 16,512.96, 24,771.84 and 8,719.68 is: 13,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.96 : 24,771.84 = 8,719.68 : x
  2. Step 2: Convert to fraction form
    16,512.96/24,771.84 = 8,719.68/x
  3. Step 3: Cross multiply
    16,512.96x = 24,771.84 × 8,719.68
  4. Step 4: Simplify right side
    16,512.96x = 216,002,517.81
  5. Step 5: Solve for x
    x = 216,002,517.81/16,512.96
  6. Step 6: Final answer
    x = 13,080.79

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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.