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Finding the Fourth Proportional to 18,003.54, 24,838.02 and 11,628.39

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Solution

The fourth proportional to 18,003.54, 24,838.02 and 11,628.39 is: 16,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.54 : 24,838.02 = 11,628.39 : x
  2. Step 2: Convert to fraction form
    18,003.54/24,838.02 = 11,628.39/x
  3. Step 3: Cross multiply
    18,003.54x = 24,838.02 × 11,628.39
  4. Step 4: Simplify right side
    18,003.54x = 288,826,183.39
  5. Step 5: Solve for x
    x = 288,826,183.39/18,003.54
  6. Step 6: Final answer
    x = 16,042.74

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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.