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Finding the Fourth Proportional to 63,672.80, 95,611.20 and 50,633.60

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Solution

The fourth proportional to 63,672.80, 95,611.20 and 50,633.60 is: 76,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,672.80 : 95,611.20 = 50,633.60 : x
  2. Step 2: Convert to fraction form
    63,672.80/95,611.20 = 50,633.60/x
  3. Step 3: Cross multiply
    63,672.80x = 95,611.20 × 50,633.60
  4. Step 4: Simplify right side
    63,672.80x = 4,841,139,256.32
  5. Step 5: Solve for x
    x = 4,841,139,256.32/63,672.80
  6. Step 6: Final answer
    x = 76,031.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.