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Finding the Fourth Proportional to 29,208.87, 43,813.31 and 9,489.42

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Solution

The fourth proportional to 29,208.87, 43,813.31 and 9,489.42 is: 14,234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,208.87 : 43,813.31 = 9,489.42 : x
  2. Step 2: Convert to fraction form
    29,208.87/43,813.31 = 9,489.42/x
  3. Step 3: Cross multiply
    29,208.87x = 43,813.31 × 9,489.42
  4. Step 4: Simplify right side
    29,208.87x = 415,762,852.73
  5. Step 5: Solve for x
    x = 415,762,852.73/29,208.87
  6. Step 6: Final answer
    x = 14,234.13

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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.