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Finding the Fourth Proportional to 16,826.30, 25,262.79 and 8,512.17

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Solution

The fourth proportional to 16,826.30, 25,262.79 and 8,512.17 is: 12,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.30 : 25,262.79 = 8,512.17 : x
  2. Step 2: Convert to fraction form
    16,826.30/25,262.79 = 8,512.17/x
  3. Step 3: Cross multiply
    16,826.30x = 25,262.79 × 8,512.17
  4. Step 4: Simplify right side
    16,826.30x = 215,041,163.15
  5. Step 5: Solve for x
    x = 215,041,163.15/16,826.30
  6. Step 6: Final answer
    x = 12,780.06

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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.