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Finding the Fourth Proportional to 16,313.52, 24,478.12 and 8,917.68

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Solution

The fourth proportional to 16,313.52, 24,478.12 and 8,917.68 is: 13,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,313.52 : 24,478.12 = 8,917.68 : x
  2. Step 2: Convert to fraction form
    16,313.52/24,478.12 = 8,917.68/x
  3. Step 3: Cross multiply
    16,313.52x = 24,478.12 × 8,917.68
  4. Step 4: Simplify right side
    16,313.52x = 218,288,041.16
  5. Step 5: Solve for x
    x = 218,288,041.16/16,313.52
  6. Step 6: Final answer
    x = 13,380.81

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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.