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Finding the Fourth Proportional to 16,449.80, 24,674.70 and 8,126.60

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Solution

The fourth proportional to 16,449.80, 24,674.70 and 8,126.60 is: 12,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,449.80 : 24,674.70 = 8,126.60 : x
  2. Step 2: Convert to fraction form
    16,449.80/24,674.70 = 8,126.60/x
  3. Step 3: Cross multiply
    16,449.80x = 24,674.70 × 8,126.60
  4. Step 4: Simplify right side
    16,449.80x = 200,521,417.02
  5. Step 5: Solve for x
    x = 200,521,417.02/16,449.80
  6. Step 6: Final answer
    x = 12,189.90

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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.