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Finding the Fourth Proportional to 16,550.79, 24,823.05 and 8,644.78

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Solution

The fourth proportional to 16,550.79, 24,823.05 and 8,644.78 is: 12,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,550.79 : 24,823.05 = 8,644.78 : x
  2. Step 2: Convert to fraction form
    16,550.79/24,823.05 = 8,644.78/x
  3. Step 3: Cross multiply
    16,550.79x = 24,823.05 × 8,644.78
  4. Step 4: Simplify right side
    16,550.79x = 214,589,806.18
  5. Step 5: Solve for x
    x = 214,589,806.18/16,550.79
  6. Step 6: Final answer
    x = 12,965.53

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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.