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Finding the Fourth Proportional to 29,879.60, 44,819.40 and 8,819.93

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Solution

The fourth proportional to 29,879.60, 44,819.40 and 8,819.93 is: 13,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,879.60 : 44,819.40 = 8,819.93 : x
  2. Step 2: Convert to fraction form
    29,879.60/44,819.40 = 8,819.93/x
  3. Step 3: Cross multiply
    29,879.60x = 44,819.40 × 8,819.93
  4. Step 4: Simplify right side
    29,879.60x = 395,303,970.64
  5. Step 5: Solve for x
    x = 395,303,970.64/29,879.60
  6. Step 6: Final answer
    x = 13,229.90

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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.