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Finding the Fourth Proportional to 18,481.01, 27,721.44 and 4,630.01

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Solution

The fourth proportional to 18,481.01, 27,721.44 and 4,630.01 is: 6,944.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.01 : 27,721.44 = 4,630.01 : x
  2. Step 2: Convert to fraction form
    18,481.01/27,721.44 = 4,630.01/x
  3. Step 3: Cross multiply
    18,481.01x = 27,721.44 × 4,630.01
  4. Step 4: Simplify right side
    18,481.01x = 128,350,405.81
  5. Step 5: Solve for x
    x = 128,350,405.81/18,481.01
  6. Step 6: Final answer
    x = 6,944.99

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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.