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Finding the Fourth Proportional to 16,561.76, 24,826.02 and 8,228.96

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Solution

The fourth proportional to 16,561.76, 24,826.02 and 8,228.96 is: 12,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,561.76 : 24,826.02 = 8,228.96 : x
  2. Step 2: Convert to fraction form
    16,561.76/24,826.02 = 8,228.96/x
  3. Step 3: Cross multiply
    16,561.76x = 24,826.02 × 8,228.96
  4. Step 4: Simplify right side
    16,561.76x = 204,292,325.54
  5. Step 5: Solve for x
    x = 204,292,325.54/16,561.76
  6. Step 6: Final answer
    x = 12,335.18

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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.