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Finding the Fourth Proportional to 17,213.60, 25,791.60 and 16,176.80

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Solution

The fourth proportional to 17,213.60, 25,791.60 and 16,176.80 is: 24,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.60 : 25,791.60 = 16,176.80 : x
  2. Step 2: Convert to fraction form
    17,213.60/25,791.60 = 16,176.80/x
  3. Step 3: Cross multiply
    17,213.60x = 25,791.60 × 16,176.80
  4. Step 4: Simplify right side
    17,213.60x = 417,225,554.88
  5. Step 5: Solve for x
    x = 417,225,554.88/17,213.60
  6. Step 6: Final answer
    x = 24,238.13

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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.