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Finding the Fourth Proportional to 57,676.64, 79,586.64 and 33,797.84

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Solution

The fourth proportional to 57,676.64, 79,586.64 and 33,797.84 is: 46,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,676.64 : 79,586.64 = 33,797.84 : x
  2. Step 2: Convert to fraction form
    57,676.64/79,586.64 = 33,797.84/x
  3. Step 3: Cross multiply
    57,676.64x = 79,586.64 × 33,797.84
  4. Step 4: Simplify right side
    57,676.64x = 2,689,856,524.86
  5. Step 5: Solve for x
    x = 2,689,856,524.86/57,676.64
  6. Step 6: Final answer
    x = 46,636.85

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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.