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Finding the Fourth Proportional to 57,576.96, 79,489.92 and 37,739.52

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Solution

The fourth proportional to 57,576.96, 79,489.92 and 37,739.52 is: 52,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,576.96 : 79,489.92 = 37,739.52 : x
  2. Step 2: Convert to fraction form
    57,576.96/79,489.92 = 37,739.52/x
  3. Step 3: Cross multiply
    57,576.96x = 79,489.92 × 37,739.52
  4. Step 4: Simplify right side
    57,576.96x = 2,999,911,425.64
  5. Step 5: Solve for x
    x = 2,999,911,425.64/57,576.96
  6. Step 6: Final answer
    x = 52,102.64

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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.