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Finding the Fourth Proportional to 57,282.68, 79,057.32 and 32,132

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Solution

The fourth proportional to 57,282.68, 79,057.32 and 32,132 is: 44,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,282.68 : 79,057.32 = 32,132 : x
  2. Step 2: Convert to fraction form
    57,282.68/79,057.32 = 32,132/x
  3. Step 3: Cross multiply
    57,282.68x = 79,057.32 × 32,132
  4. Step 4: Simplify right side
    57,282.68x = 2,540,269,806.24
  5. Step 5: Solve for x
    x = 2,540,269,806.24/57,282.68
  6. Step 6: Final answer
    x = 44,346.21

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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.