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Finding the Fourth Proportional to 18,452.82, 25,461 and 11,736

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Solution

The fourth proportional to 18,452.82, 25,461 and 11,736 is: 16,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.82 : 25,461 = 11,736 : x
  2. Step 2: Convert to fraction form
    18,452.82/25,461 = 11,736/x
  3. Step 3: Cross multiply
    18,452.82x = 25,461 × 11,736
  4. Step 4: Simplify right side
    18,452.82x = 298,810,296
  5. Step 5: Solve for x
    x = 298,810,296/18,452.82
  6. Step 6: Final answer
    x = 16,193.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.