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Finding the Fourth Proportional to 17,873.81, 26,793.27 and 8,511.31

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Solution

The fourth proportional to 17,873.81, 26,793.27 and 8,511.31 is: 12,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.81 : 26,793.27 = 8,511.31 : x
  2. Step 2: Convert to fraction form
    17,873.81/26,793.27 = 8,511.31/x
  3. Step 3: Cross multiply
    17,873.81x = 26,793.27 × 8,511.31
  4. Step 4: Simplify right side
    17,873.81x = 228,045,826.88
  5. Step 5: Solve for x
    x = 228,045,826.88/17,873.81
  6. Step 6: Final answer
    x = 12,758.66

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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.