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Finding the Fourth Proportional to 57,668.55, 79,582.46 and 32,517.87

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Solution

The fourth proportional to 57,668.55, 79,582.46 and 32,517.87 is: 44,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,668.55 : 79,582.46 = 32,517.87 : x
  2. Step 2: Convert to fraction form
    57,668.55/79,582.46 = 32,517.87/x
  3. Step 3: Cross multiply
    57,668.55x = 79,582.46 × 32,517.87
  4. Step 4: Simplify right side
    57,668.55x = 2,587,851,771.94
  5. Step 5: Solve for x
    x = 2,587,851,771.94/57,668.55
  6. Step 6: Final answer
    x = 44,874.58

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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.