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Finding the Fourth Proportional to 11,167.54, 16,735.82 and 4,918.19

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Solution

The fourth proportional to 11,167.54, 16,735.82 and 4,918.19 is: 7,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.54 : 16,735.82 = 4,918.19 : x
  2. Step 2: Convert to fraction form
    11,167.54/16,735.82 = 4,918.19/x
  3. Step 3: Cross multiply
    11,167.54x = 16,735.82 × 4,918.19
  4. Step 4: Simplify right side
    11,167.54x = 82,309,942.57
  5. Step 5: Solve for x
    x = 82,309,942.57/11,167.54
  6. Step 6: Final answer
    x = 7,370.46

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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.