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Finding the Fourth Proportional to 57,609.92, 79,512 and 33,735.20

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Solution

The fourth proportional to 57,609.92, 79,512 and 33,735.20 is: 46,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,609.92 : 79,512 = 33,735.20 : x
  2. Step 2: Convert to fraction form
    57,609.92/79,512 = 33,735.20/x
  3. Step 3: Cross multiply
    57,609.92x = 79,512 × 33,735.20
  4. Step 4: Simplify right side
    57,609.92x = 2,682,353,222.40
  5. Step 5: Solve for x
    x = 2,682,353,222.40/57,609.92
  6. Step 6: Final answer
    x = 46,560.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.