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Finding the Fourth Proportional to 29,187.87, 43,788.21 and 9,468.42

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Solution

The fourth proportional to 29,187.87, 43,788.21 and 9,468.42 is: 14,204.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,187.87 : 43,788.21 = 9,468.42 : x
  2. Step 2: Convert to fraction form
    29,187.87/43,788.21 = 9,468.42/x
  3. Step 3: Cross multiply
    29,187.87x = 43,788.21 × 9,468.42
  4. Step 4: Simplify right side
    29,187.87x = 414,605,163.33
  5. Step 5: Solve for x
    x = 414,605,163.33/29,187.87
  6. Step 6: Final answer
    x = 14,204.71

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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.