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Finding the Fourth Proportional to 18,171, 27,256.50 and 4,844.04

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Solution

The fourth proportional to 18,171, 27,256.50 and 4,844.04 is: 7,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171 : 27,256.50 = 4,844.04 : x
  2. Step 2: Convert to fraction form
    18,171/27,256.50 = 4,844.04/x
  3. Step 3: Cross multiply
    18,171x = 27,256.50 × 4,844.04
  4. Step 4: Simplify right side
    18,171x = 132,031,474.05
  5. Step 5: Solve for x
    x = 132,031,474.05/18,171
  6. Step 6: Final answer
    x = 7,266.05

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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.