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Finding the Fourth Proportional to 18,455.00, 27,665.46 and 7,359

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Solution

The fourth proportional to 18,455.00, 27,665.46 and 7,359 is: 11,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.00 : 27,665.46 = 7,359 : x
  2. Step 2: Convert to fraction form
    18,455.00/27,665.46 = 7,359/x
  3. Step 3: Cross multiply
    18,455.00x = 27,665.46 × 7,359
  4. Step 4: Simplify right side
    18,455.00x = 203,590,120.14
  5. Step 5: Solve for x
    x = 203,590,120.14/18,455.00
  6. Step 6: Final answer
    x = 11,031.71

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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.