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Finding the Fourth Proportional to 29,419.67, 44,141.79 and 12,793.68

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Solution

The fourth proportional to 29,419.67, 44,141.79 and 12,793.68 is: 19,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.67 : 44,141.79 = 12,793.68 : x
  2. Step 2: Convert to fraction form
    29,419.67/44,141.79 = 12,793.68/x
  3. Step 3: Cross multiply
    29,419.67x = 44,141.79 × 12,793.68
  4. Step 4: Simplify right side
    29,419.67x = 564,735,715.18
  5. Step 5: Solve for x
    x = 564,735,715.18/29,419.67
  6. Step 6: Final answer
    x = 19,195.86

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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.