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Finding the Fourth Proportional to 11,294.80, 16,942.84 and 5,750.80

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Solution

The fourth proportional to 11,294.80, 16,942.84 and 5,750.80 is: 8,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.80 : 16,942.84 = 5,750.80 : x
  2. Step 2: Convert to fraction form
    11,294.80/16,942.84 = 5,750.80/x
  3. Step 3: Cross multiply
    11,294.80x = 16,942.84 × 5,750.80
  4. Step 4: Simplify right side
    11,294.80x = 97,434,884.27
  5. Step 5: Solve for x
    x = 97,434,884.27/11,294.80
  6. Step 6: Final answer
    x = 8,626.53

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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.