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Finding the Fourth Proportional to 69,716.83, 104,529.02 and 25,338.31

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Solution

The fourth proportional to 69,716.83, 104,529.02 and 25,338.31 is: 37,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,716.83 : 104,529.02 = 25,338.31 : x
  2. Step 2: Convert to fraction form
    69,716.83/104,529.02 = 25,338.31/x
  3. Step 3: Cross multiply
    69,716.83x = 104,529.02 × 25,338.31
  4. Step 4: Simplify right side
    69,716.83x = 2,648,588,586.06
  5. Step 5: Solve for x
    x = 2,648,588,586.06/69,716.83
  6. Step 6: Final answer
    x = 37,990.66

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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.