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Finding the Fourth Proportional to 57,400.56, 79,215.12 and 32,250

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Solution

The fourth proportional to 57,400.56, 79,215.12 and 32,250 is: 44,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400.56 : 79,215.12 = 32,250 : x
  2. Step 2: Convert to fraction form
    57,400.56/79,215.12 = 32,250/x
  3. Step 3: Cross multiply
    57,400.56x = 79,215.12 × 32,250
  4. Step 4: Simplify right side
    57,400.56x = 2,554,687,620
  5. Step 5: Solve for x
    x = 2,554,687,620/57,400.56
  6. Step 6: Final answer
    x = 44,506.32

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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.