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Finding the Fourth Proportional to 57,424, 79,250.16 and 32,273.68

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Solution

The fourth proportional to 57,424, 79,250.16 and 32,273.68 is: 44,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,424 : 79,250.16 = 32,273.68 : x
  2. Step 2: Convert to fraction form
    57,424/79,250.16 = 32,273.68/x
  3. Step 3: Cross multiply
    57,424x = 79,250.16 × 32,273.68
  4. Step 4: Simplify right side
    57,424x = 2,557,694,303.79
  5. Step 5: Solve for x
    x = 2,557,694,303.79/57,424
  6. Step 6: Final answer
    x = 44,540.51

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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.