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Finding the Fourth Proportional to 29,930.22, 44,890.26 and 8,869.86

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Solution

The fourth proportional to 29,930.22, 44,890.26 and 8,869.86 is: 13,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,930.22 : 44,890.26 = 8,869.86 : x
  2. Step 2: Convert to fraction form
    29,930.22/44,890.26 = 8,869.86/x
  3. Step 3: Cross multiply
    29,930.22x = 44,890.26 × 8,869.86
  4. Step 4: Simplify right side
    29,930.22x = 398,170,321.56
  5. Step 5: Solve for x
    x = 398,170,321.56/29,930.22
  6. Step 6: Final answer
    x = 13,303.29

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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.