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Finding the Fourth Proportional to 29,296.57, 43,944.72 and 7,109.86

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Solution

The fourth proportional to 29,296.57, 43,944.72 and 7,109.86 is: 10,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.57 : 43,944.72 = 7,109.86 : x
  2. Step 2: Convert to fraction form
    29,296.57/43,944.72 = 7,109.86/x
  3. Step 3: Cross multiply
    29,296.57x = 43,944.72 × 7,109.86
  4. Step 4: Simplify right side
    29,296.57x = 312,440,806.94
  5. Step 5: Solve for x
    x = 312,440,806.94/29,296.57
  6. Step 6: Final answer
    x = 10,664.76

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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.