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Finding the Fourth Proportional to 11,339.87, 16,933.37 and 9,263.97

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Solution

The fourth proportional to 11,339.87, 16,933.37 and 9,263.97 is: 13,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.87 : 16,933.37 = 9,263.97 : x
  2. Step 2: Convert to fraction form
    11,339.87/16,933.37 = 9,263.97/x
  3. Step 3: Cross multiply
    11,339.87x = 16,933.37 × 9,263.97
  4. Step 4: Simplify right side
    11,339.87x = 156,870,237.47
  5. Step 5: Solve for x
    x = 156,870,237.47/11,339.87
  6. Step 6: Final answer
    x = 13,833.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.