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Finding the Fourth Proportional to 72,313.44, 108,480.72 and 22,398

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Solution

The fourth proportional to 72,313.44, 108,480.72 and 22,398 is: 33,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,313.44 : 108,480.72 = 22,398 : x
  2. Step 2: Convert to fraction form
    72,313.44/108,480.72 = 22,398/x
  3. Step 3: Cross multiply
    72,313.44x = 108,480.72 × 22,398
  4. Step 4: Simplify right side
    72,313.44x = 2,429,751,166.56
  5. Step 5: Solve for x
    x = 2,429,751,166.56/72,313.44
  6. Step 6: Final answer
    x = 33,600.27

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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.