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Finding the Fourth Proportional to 18,552.35, 27,796.11 and 15,452.28

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Solution

The fourth proportional to 18,552.35, 27,796.11 and 15,452.28 is: 23,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.35 : 27,796.11 = 15,452.28 : x
  2. Step 2: Convert to fraction form
    18,552.35/27,796.11 = 15,452.28/x
  3. Step 3: Cross multiply
    18,552.35x = 27,796.11 × 15,452.28
  4. Step 4: Simplify right side
    18,552.35x = 429,513,274.63
  5. Step 5: Solve for x
    x = 429,513,274.63/18,552.35
  6. Step 6: Final answer
    x = 23,151.43

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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.