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Finding the Fourth Proportional to 29,470.40, 44,218.58 and 16,819.62

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Solution

The fourth proportional to 29,470.40, 44,218.58 and 16,819.62 is: 25,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,470.40 : 44,218.58 = 16,819.62 : x
  2. Step 2: Convert to fraction form
    29,470.40/44,218.58 = 16,819.62/x
  3. Step 3: Cross multiply
    29,470.40x = 44,218.58 × 16,819.62
  4. Step 4: Simplify right side
    29,470.40x = 743,739,712.54
  5. Step 5: Solve for x
    x = 743,739,712.54/29,470.40
  6. Step 6: Final answer
    x = 25,236.84

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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.