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Finding the Fourth Proportional to 29,419.73, 44,135.09 and 11,901.86

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Solution

The fourth proportional to 29,419.73, 44,135.09 and 11,901.86 is: 17,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.73 : 44,135.09 = 11,901.86 : x
  2. Step 2: Convert to fraction form
    29,419.73/44,135.09 = 11,901.86/x
  3. Step 3: Cross multiply
    29,419.73x = 44,135.09 × 11,901.86
  4. Step 4: Simplify right side
    29,419.73x = 525,289,662.27
  5. Step 5: Solve for x
    x = 525,289,662.27/29,419.73
  6. Step 6: Final answer
    x = 17,855.01

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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.