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Finding the Fourth Proportional to 17,212.46, 25,819.65 and 4,899.50

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Solution

The fourth proportional to 17,212.46, 25,819.65 and 4,899.50 is: 7,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.46 : 25,819.65 = 4,899.50 : x
  2. Step 2: Convert to fraction form
    17,212.46/25,819.65 = 4,899.50/x
  3. Step 3: Cross multiply
    17,212.46x = 25,819.65 × 4,899.50
  4. Step 4: Simplify right side
    17,212.46x = 126,503,375.18
  5. Step 5: Solve for x
    x = 126,503,375.18/17,212.46
  6. Step 6: Final answer
    x = 7,349.52

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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.