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Finding the Fourth Proportional to 57,665.54, 79,581.21 and 32,514.50

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Solution

The fourth proportional to 57,665.54, 79,581.21 and 32,514.50 is: 44,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,665.54 : 79,581.21 = 32,514.50 : x
  2. Step 2: Convert to fraction form
    57,665.54/79,581.21 = 32,514.50/x
  3. Step 3: Cross multiply
    57,665.54x = 79,581.21 × 32,514.50
  4. Step 4: Simplify right side
    57,665.54x = 2,587,543,252.55
  5. Step 5: Solve for x
    x = 2,587,543,252.55/57,665.54
  6. Step 6: Final answer
    x = 44,871.57

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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.