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Finding the Fourth Proportional to 17,173.60, 25,760.40 and 16,136.80

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Solution

The fourth proportional to 17,173.60, 25,760.40 and 16,136.80 is: 24,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173.60 : 25,760.40 = 16,136.80 : x
  2. Step 2: Convert to fraction form
    17,173.60/25,760.40 = 16,136.80/x
  3. Step 3: Cross multiply
    17,173.60x = 25,760.40 × 16,136.80
  4. Step 4: Simplify right side
    17,173.60x = 415,690,422.72
  5. Step 5: Solve for x
    x = 415,690,422.72/17,173.60
  6. Step 6: Final answer
    x = 24,205.20

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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.