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Finding the Fourth Proportional to 17,636.74, 26,455.21 and 4,489.12

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Solution

The fourth proportional to 17,636.74, 26,455.21 and 4,489.12 is: 6,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,636.74 : 26,455.21 = 4,489.12 : x
  2. Step 2: Convert to fraction form
    17,636.74/26,455.21 = 4,489.12/x
  3. Step 3: Cross multiply
    17,636.74x = 26,455.21 × 4,489.12
  4. Step 4: Simplify right side
    17,636.74x = 118,760,634.16
  5. Step 5: Solve for x
    x = 118,760,634.16/17,636.74
  6. Step 6: Final answer
    x = 6,733.71

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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.