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Finding the Fourth Proportional to 29,819.85, 41,152.17 and 16,391.46

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Solution

The fourth proportional to 29,819.85, 41,152.17 and 16,391.46 is: 22,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,819.85 : 41,152.17 = 16,391.46 : x
  2. Step 2: Convert to fraction form
    29,819.85/41,152.17 = 16,391.46/x
  3. Step 3: Cross multiply
    29,819.85x = 41,152.17 × 16,391.46
  4. Step 4: Simplify right side
    29,819.85x = 674,544,148.47
  5. Step 5: Solve for x
    x = 674,544,148.47/29,819.85
  6. Step 6: Final answer
    x = 22,620.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.