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Finding the Fourth Proportional to 11,295.98, 16,946.24 and 3,900.71

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Solution

The fourth proportional to 11,295.98, 16,946.24 and 3,900.71 is: 5,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.98 : 16,946.24 = 3,900.71 : x
  2. Step 2: Convert to fraction form
    11,295.98/16,946.24 = 3,900.71/x
  3. Step 3: Cross multiply
    11,295.98x = 16,946.24 × 3,900.71
  4. Step 4: Simplify right side
    11,295.98x = 66,102,348.33
  5. Step 5: Solve for x
    x = 66,102,348.33/11,295.98
  6. Step 6: Final answer
    x = 5,851.85

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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.