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Finding the Fourth Proportional to 11,301.51, 16,951.98 and 3,905.27

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Solution

The fourth proportional to 11,301.51, 16,951.98 and 3,905.27 is: 5,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.51 : 16,951.98 = 3,905.27 : x
  2. Step 2: Convert to fraction form
    11,301.51/16,951.98 = 3,905.27/x
  3. Step 3: Cross multiply
    11,301.51x = 16,951.98 × 3,905.27
  4. Step 4: Simplify right side
    11,301.51x = 66,201,974.17
  5. Step 5: Solve for x
    x = 66,201,974.17/11,301.51
  6. Step 6: Final answer
    x = 5,857.80

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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.