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Finding the Fourth Proportional to 16,623.10, 24,913.86 and 8,305.45

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Solution

The fourth proportional to 16,623.10, 24,913.86 and 8,305.45 is: 12,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,623.10 : 24,913.86 = 8,305.45 : x
  2. Step 2: Convert to fraction form
    16,623.10/24,913.86 = 8,305.45/x
  3. Step 3: Cross multiply
    16,623.10x = 24,913.86 × 8,305.45
  4. Step 4: Simplify right side
    16,623.10x = 206,920,818.54
  5. Step 5: Solve for x
    x = 206,920,818.54/16,623.10
  6. Step 6: Final answer
    x = 12,447.79

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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.