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Finding the Fourth Proportional to 16,524.45, 22,803.80 and 8,970.80

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Solution

The fourth proportional to 16,524.45, 22,803.80 and 8,970.80 is: 12,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,524.45 : 22,803.80 = 8,970.80 : x
  2. Step 2: Convert to fraction form
    16,524.45/22,803.80 = 8,970.80/x
  3. Step 3: Cross multiply
    16,524.45x = 22,803.80 × 8,970.80
  4. Step 4: Simplify right side
    16,524.45x = 204,568,215.02
  5. Step 5: Solve for x
    x = 204,568,215.02/16,524.45
  6. Step 6: Final answer
    x = 12,379.73

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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.