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Finding the Fourth Proportional to 17,751.56, 26,624.64 and 11,157.62

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Solution

The fourth proportional to 17,751.56, 26,624.64 and 11,157.62 is: 16,734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.56 : 26,624.64 = 11,157.62 : x
  2. Step 2: Convert to fraction form
    17,751.56/26,624.64 = 11,157.62/x
  3. Step 3: Cross multiply
    17,751.56x = 26,624.64 × 11,157.62
  4. Step 4: Simplify right side
    17,751.56x = 297,067,615.76
  5. Step 5: Solve for x
    x = 297,067,615.76/17,751.56
  6. Step 6: Final answer
    x = 16,734.73

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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.