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Finding the Fourth Proportional to 57,475.68, 79,315.92 and 32,324.64

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Solution

The fourth proportional to 57,475.68, 79,315.92 and 32,324.64 is: 44,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.68 : 79,315.92 = 32,324.64 : x
  2. Step 2: Convert to fraction form
    57,475.68/79,315.92 = 32,324.64/x
  3. Step 3: Cross multiply
    57,475.68x = 79,315.92 × 32,324.64
  4. Step 4: Simplify right side
    57,475.68x = 2,563,858,560.27
  5. Step 5: Solve for x
    x = 2,563,858,560.27/57,475.68
  6. Step 6: Final answer
    x = 44,607.71

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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.