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Finding the Fourth Proportional to 57,640.96, 79,546.08 and 32,496.40

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Solution

The fourth proportional to 57,640.96, 79,546.08 and 32,496.40 is: 44,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,640.96 : 79,546.08 = 32,496.40 : x
  2. Step 2: Convert to fraction form
    57,640.96/79,546.08 = 32,496.40/x
  3. Step 3: Cross multiply
    57,640.96x = 79,546.08 × 32,496.40
  4. Step 4: Simplify right side
    57,640.96x = 2,584,961,234.11
  5. Step 5: Solve for x
    x = 2,584,961,234.11/57,640.96
  6. Step 6: Final answer
    x = 44,845.91

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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.