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Finding the Fourth Proportional to 11,133.52, 16,706.76 and 4,118.38

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Solution

The fourth proportional to 11,133.52, 16,706.76 and 4,118.38 is: 6,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.52 : 16,706.76 = 4,118.38 : x
  2. Step 2: Convert to fraction form
    11,133.52/16,706.76 = 4,118.38/x
  3. Step 3: Cross multiply
    11,133.52x = 16,706.76 × 4,118.38
  4. Step 4: Simplify right side
    11,133.52x = 68,804,786.25
  5. Step 5: Solve for x
    x = 68,804,786.25/11,133.52
  6. Step 6: Final answer
    x = 6,179.97

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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.