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Finding the Fourth Proportional to 69,793.38, 104,650.28 and 47,633.58

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Solution

The fourth proportional to 69,793.38, 104,650.28 and 47,633.58 is: 71,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,793.38 : 104,650.28 = 47,633.58 : x
  2. Step 2: Convert to fraction form
    69,793.38/104,650.28 = 47,633.58/x
  3. Step 3: Cross multiply
    69,793.38x = 104,650.28 × 47,633.58
  4. Step 4: Simplify right side
    69,793.38x = 4,984,867,484.40
  5. Step 5: Solve for x
    x = 4,984,867,484.40/69,793.38
  6. Step 6: Final answer
    x = 71,423.21

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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.