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Finding the Fourth Proportional to 16,491.80, 24,704.76 and 9,914.42

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Solution

The fourth proportional to 16,491.80, 24,704.76 and 9,914.42 is: 14,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491.80 : 24,704.76 = 9,914.42 : x
  2. Step 2: Convert to fraction form
    16,491.80/24,704.76 = 9,914.42/x
  3. Step 3: Cross multiply
    16,491.80x = 24,704.76 × 9,914.42
  4. Step 4: Simplify right side
    16,491.80x = 244,933,366.64
  5. Step 5: Solve for x
    x = 244,933,366.64/16,491.80
  6. Step 6: Final answer
    x = 14,851.83

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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.