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Finding the Fourth Proportional to 69,793.02, 104,649.86 and 47,633.24

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Solution

The fourth proportional to 69,793.02, 104,649.86 and 47,633.24 is: 71,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,793.02 : 104,649.86 = 47,633.24 : x
  2. Step 2: Convert to fraction form
    69,793.02/104,649.86 = 47,633.24/x
  3. Step 3: Cross multiply
    69,793.02x = 104,649.86 × 47,633.24
  4. Step 4: Simplify right side
    69,793.02x = 4,984,811,897.35
  5. Step 5: Solve for x
    x = 4,984,811,897.35/69,793.02
  6. Step 6: Final answer
    x = 71,422.79

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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.