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Finding the Fourth Proportional to 43,491.92, 65,224.20 and 26,826.98

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Solution

The fourth proportional to 43,491.92, 65,224.20 and 26,826.98 is: 40,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,491.92 : 65,224.20 = 26,826.98 : x
  2. Step 2: Convert to fraction form
    43,491.92/65,224.20 = 26,826.98/x
  3. Step 3: Cross multiply
    43,491.92x = 65,224.20 × 26,826.98
  4. Step 4: Simplify right side
    43,491.92x = 1,749,768,308.92
  5. Step 5: Solve for x
    x = 1,749,768,308.92/43,491.92
  6. Step 6: Final answer
    x = 40,232.03

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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.