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Finding the Fourth Proportional to 18,262.26, 27,395.01 and 5,114.61

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Solution

The fourth proportional to 18,262.26, 27,395.01 and 5,114.61 is: 7,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.26 : 27,395.01 = 5,114.61 : x
  2. Step 2: Convert to fraction form
    18,262.26/27,395.01 = 5,114.61/x
  3. Step 3: Cross multiply
    18,262.26x = 27,395.01 × 5,114.61
  4. Step 4: Simplify right side
    18,262.26x = 140,114,792.10
  5. Step 5: Solve for x
    x = 140,114,792.10/18,262.26
  6. Step 6: Final answer
    x = 7,672.37

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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.