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Finding the Fourth Proportional to 57,896, 79,896.48 and 32,744.96

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Solution

The fourth proportional to 57,896, 79,896.48 and 32,744.96 is: 45,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,896 : 79,896.48 = 32,744.96 : x
  2. Step 2: Convert to fraction form
    57,896/79,896.48 = 32,744.96/x
  3. Step 3: Cross multiply
    57,896x = 79,896.48 × 32,744.96
  4. Step 4: Simplify right side
    57,896x = 2,616,207,041.74
  5. Step 5: Solve for x
    x = 2,616,207,041.74/57,896
  6. Step 6: Final answer
    x = 45,188.04

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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.