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Finding the Fourth Proportional to 57,821.34, 79,793.58 and 32,328.61

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Solution

The fourth proportional to 57,821.34, 79,793.58 and 32,328.61 is: 44,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,821.34 : 79,793.58 = 32,328.61 : x
  2. Step 2: Convert to fraction form
    57,821.34/79,793.58 = 32,328.61/x
  3. Step 3: Cross multiply
    57,821.34x = 79,793.58 × 32,328.61
  4. Step 4: Simplify right side
    57,821.34x = 2,579,615,366.68
  5. Step 5: Solve for x
    x = 2,579,615,366.68/57,821.34
  6. Step 6: Final answer
    x = 44,613.56

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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.