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Finding the Fourth Proportional to 62,749.44, 94,092.81 and 20,049.21

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Solution

The fourth proportional to 62,749.44, 94,092.81 and 20,049.21 is: 30,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,749.44 : 94,092.81 = 20,049.21 : x
  2. Step 2: Convert to fraction form
    62,749.44/94,092.81 = 20,049.21/x
  3. Step 3: Cross multiply
    62,749.44x = 94,092.81 × 20,049.21
  4. Step 4: Simplify right side
    62,749.44x = 1,886,486,507.18
  5. Step 5: Solve for x
    x = 1,886,486,507.18/62,749.44
  6. Step 6: Final answer
    x = 30,063.80

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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.