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Finding the Fourth Proportional to 11,167.10, 16,750.19 and 2,847.32

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Solution

The fourth proportional to 11,167.10, 16,750.19 and 2,847.32 is: 4,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.10 : 16,750.19 = 2,847.32 : x
  2. Step 2: Convert to fraction form
    11,167.10/16,750.19 = 2,847.32/x
  3. Step 3: Cross multiply
    11,167.10x = 16,750.19 × 2,847.32
  4. Step 4: Simplify right side
    11,167.10x = 47,693,231.39
  5. Step 5: Solve for x
    x = 47,693,231.39/11,167.10
  6. Step 6: Final answer
    x = 4,270.87

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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.