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Finding the Fourth Proportional to 11,758.33, 17,639.93 and 3,966.94

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Solution

The fourth proportional to 11,758.33, 17,639.93 and 3,966.94 is: 5,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.33 : 17,639.93 = 3,966.94 : x
  2. Step 2: Convert to fraction form
    11,758.33/17,639.93 = 3,966.94/x
  3. Step 3: Cross multiply
    11,758.33x = 17,639.93 × 3,966.94
  4. Step 4: Simplify right side
    11,758.33x = 69,976,479.98
  5. Step 5: Solve for x
    x = 69,976,479.98/11,758.33
  6. Step 6: Final answer
    x = 5,951.23

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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.