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Finding the Fourth Proportional to 71,508.67, 107,229.69 and 26,528.22

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Solution

The fourth proportional to 71,508.67, 107,229.69 and 26,528.22 is: 39,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,508.67 : 107,229.69 = 26,528.22 : x
  2. Step 2: Convert to fraction form
    71,508.67/107,229.69 = 26,528.22/x
  3. Step 3: Cross multiply
    71,508.67x = 107,229.69 × 26,528.22
  4. Step 4: Simplify right side
    71,508.67x = 2,844,612,806.85
  5. Step 5: Solve for x
    x = 2,844,612,806.85/71,508.67
  6. Step 6: Final answer
    x = 39,779.97

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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.