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Finding the Fourth Proportional to 15,104.91, 22,651.97 and 5,742.43

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Solution

The fourth proportional to 15,104.91, 22,651.97 and 5,742.43 is: 8,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.91 : 22,651.97 = 5,742.43 : x
  2. Step 2: Convert to fraction form
    15,104.91/22,651.97 = 5,742.43/x
  3. Step 3: Cross multiply
    15,104.91x = 22,651.97 × 5,742.43
  4. Step 4: Simplify right side
    15,104.91x = 130,077,352.09
  5. Step 5: Solve for x
    x = 130,077,352.09/15,104.91
  6. Step 6: Final answer
    x = 8,611.59

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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.