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Finding the Fourth Proportional to 29,874.76, 44,801.69 and 8,809.21

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Solution

The fourth proportional to 29,874.76, 44,801.69 and 8,809.21 is: 13,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,874.76 : 44,801.69 = 8,809.21 : x
  2. Step 2: Convert to fraction form
    29,874.76/44,801.69 = 8,809.21/x
  3. Step 3: Cross multiply
    29,874.76x = 44,801.69 × 8,809.21
  4. Step 4: Simplify right side
    29,874.76x = 394,667,495.56
  5. Step 5: Solve for x
    x = 394,667,495.56/29,874.76
  6. Step 6: Final answer
    x = 13,210.73

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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.