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Finding the Fourth Proportional to 39,873.92, 59,820.28 and 22,355.84

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Solution

The fourth proportional to 39,873.92, 59,820.28 and 22,355.84 is: 33,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873.92 : 59,820.28 = 22,355.84 : x
  2. Step 2: Convert to fraction form
    39,873.92/59,820.28 = 22,355.84/x
  3. Step 3: Cross multiply
    39,873.92x = 59,820.28 × 22,355.84
  4. Step 4: Simplify right side
    39,873.92x = 1,337,332,608.44
  5. Step 5: Solve for x
    x = 1,337,332,608.44/39,873.92
  6. Step 6: Final answer
    x = 33,539.03

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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.