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Finding the Fourth Proportional to 63,534.40, 87,675.78 and 36,676

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Solution

The fourth proportional to 63,534.40, 87,675.78 and 36,676 is: 50,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,534.40 : 87,675.78 = 36,676 : x
  2. Step 2: Convert to fraction form
    63,534.40/87,675.78 = 36,676/x
  3. Step 3: Cross multiply
    63,534.40x = 87,675.78 × 36,676
  4. Step 4: Simplify right side
    63,534.40x = 3,215,596,907.28
  5. Step 5: Solve for x
    x = 3,215,596,907.28/63,534.40
  6. Step 6: Final answer
    x = 50,611.90

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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.