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Finding the Fourth Proportional to 69,793.88, 104,651.03 and 47,634.08

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Solution

The fourth proportional to 69,793.88, 104,651.03 and 47,634.08 is: 71,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,793.88 : 104,651.03 = 47,634.08 : x
  2. Step 2: Convert to fraction form
    69,793.88/104,651.03 = 47,634.08/x
  3. Step 3: Cross multiply
    69,793.88x = 104,651.03 × 47,634.08
  4. Step 4: Simplify right side
    69,793.88x = 4,984,955,535.10
  5. Step 5: Solve for x
    x = 4,984,955,535.10/69,793.88
  6. Step 6: Final answer
    x = 71,423.96

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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.