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Finding the Fourth Proportional to 11,167.67, 16,751.04 and 2,847.89

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Solution

The fourth proportional to 11,167.67, 16,751.04 and 2,847.89 is: 4,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.67 : 16,751.04 = 2,847.89 : x
  2. Step 2: Convert to fraction form
    11,167.67/16,751.04 = 2,847.89/x
  3. Step 3: Cross multiply
    11,167.67x = 16,751.04 × 2,847.89
  4. Step 4: Simplify right side
    11,167.67x = 47,705,056.28
  5. Step 5: Solve for x
    x = 47,705,056.28/11,167.67
  6. Step 6: Final answer
    x = 4,271.71

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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.