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Finding the Fourth Proportional to 16,808.20, 25,241.10 and 16,289.80

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Solution

The fourth proportional to 16,808.20, 25,241.10 and 16,289.80 is: 24,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.20 : 25,241.10 = 16,289.80 : x
  2. Step 2: Convert to fraction form
    16,808.20/25,241.10 = 16,289.80/x
  3. Step 3: Cross multiply
    16,808.20x = 25,241.10 × 16,289.80
  4. Step 4: Simplify right side
    16,808.20x = 411,172,470.78
  5. Step 5: Solve for x
    x = 411,172,470.78/16,808.20
  6. Step 6: Final answer
    x = 24,462.61

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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.