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Finding the Fourth Proportional to 63,674.18, 87,865.22 and 36,818.43

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Solution

The fourth proportional to 63,674.18, 87,865.22 and 36,818.43 is: 50,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.18 : 87,865.22 = 36,818.43 : x
  2. Step 2: Convert to fraction form
    63,674.18/87,865.22 = 36,818.43/x
  3. Step 3: Cross multiply
    63,674.18x = 87,865.22 × 36,818.43
  4. Step 4: Simplify right side
    63,674.18x = 3,235,059,452.00
  5. Step 5: Solve for x
    x = 3,235,059,452.00/63,674.18
  6. Step 6: Final answer
    x = 50,806.46

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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.