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Finding the Fourth Proportional to 18,452.01, 27,660.96 and 7,356

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Solution

The fourth proportional to 18,452.01, 27,660.96 and 7,356 is: 11,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.01 : 27,660.96 = 7,356 : x
  2. Step 2: Convert to fraction form
    18,452.01/27,660.96 = 7,356/x
  3. Step 3: Cross multiply
    18,452.01x = 27,660.96 × 7,356
  4. Step 4: Simplify right side
    18,452.01x = 203,474,021.76
  5. Step 5: Solve for x
    x = 203,474,021.76/18,452.01
  6. Step 6: Final answer
    x = 11,027.20

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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.