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Finding the Fourth Proportional to 69,750, 104,625.09 and 32,289.66

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Solution

The fourth proportional to 69,750, 104,625.09 and 32,289.66 is: 48,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,750 : 104,625.09 = 32,289.66 : x
  2. Step 2: Convert to fraction form
    69,750/104,625.09 = 32,289.66/x
  3. Step 3: Cross multiply
    69,750x = 104,625.09 × 32,289.66
  4. Step 4: Simplify right side
    69,750x = 3,378,308,583.57
  5. Step 5: Solve for x
    x = 3,378,308,583.57/69,750
  6. Step 6: Final answer
    x = 48,434.53

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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.