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Finding the Fourth Proportional to 18,481.52, 27,722.48 and 5,334

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Solution

The fourth proportional to 18,481.52, 27,722.48 and 5,334 is: 8,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.52 : 27,722.48 = 5,334 : x
  2. Step 2: Convert to fraction form
    18,481.52/27,722.48 = 5,334/x
  3. Step 3: Cross multiply
    18,481.52x = 27,722.48 × 5,334
  4. Step 4: Simplify right side
    18,481.52x = 147,871,681.65
  5. Step 5: Solve for x
    x = 147,871,681.65/18,481.52
  6. Step 6: Final answer
    x = 8,001.06

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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.