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Finding the Fourth Proportional to 57,710.16, 79,644.03 and 32,221.54

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Solution

The fourth proportional to 57,710.16, 79,644.03 and 32,221.54 is: 44,467.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,710.16 : 79,644.03 = 32,221.54 : x
  2. Step 2: Convert to fraction form
    57,710.16/79,644.03 = 32,221.54/x
  3. Step 3: Cross multiply
    57,710.16x = 79,644.03 × 32,221.54
  4. Step 4: Simplify right side
    57,710.16x = 2,566,253,298.41
  5. Step 5: Solve for x
    x = 2,566,253,298.41/57,710.16
  6. Step 6: Final answer
    x = 44,467.96

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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.