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Finding the Fourth Proportional to 62,749.32, 94,138.04 and 21,195.24

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Solution

The fourth proportional to 62,749.32, 94,138.04 and 21,195.24 is: 31,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,749.32 : 94,138.04 = 21,195.24 : x
  2. Step 2: Convert to fraction form
    62,749.32/94,138.04 = 21,195.24/x
  3. Step 3: Cross multiply
    62,749.32x = 94,138.04 × 21,195.24
  4. Step 4: Simplify right side
    62,749.32x = 1,995,278,350.93
  5. Step 5: Solve for x
    x = 1,995,278,350.93/62,749.32
  6. Step 6: Final answer
    x = 31,797.61

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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.