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Finding the Fourth Proportional to 16,367.20, 24,525.60 and 12,187.60

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Solution

The fourth proportional to 16,367.20, 24,525.60 and 12,187.60 is: 18,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,367.20 : 24,525.60 = 12,187.60 : x
  2. Step 2: Convert to fraction form
    16,367.20/24,525.60 = 12,187.60/x
  3. Step 3: Cross multiply
    16,367.20x = 24,525.60 × 12,187.60
  4. Step 4: Simplify right side
    16,367.20x = 298,908,202.56
  5. Step 5: Solve for x
    x = 298,908,202.56/16,367.20
  6. Step 6: Final answer
    x = 18,262.64

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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.