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Finding the Fourth Proportional to 11,672.48, 17,509.86 and 4,650.86

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Solution

The fourth proportional to 11,672.48, 17,509.86 and 4,650.86 is: 6,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.48 : 17,509.86 = 4,650.86 : x
  2. Step 2: Convert to fraction form
    11,672.48/17,509.86 = 4,650.86/x
  3. Step 3: Cross multiply
    11,672.48x = 17,509.86 × 4,650.86
  4. Step 4: Simplify right side
    11,672.48x = 81,435,819.93
  5. Step 5: Solve for x
    x = 81,435,819.93/11,672.48
  6. Step 6: Final answer
    x = 6,976.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.