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Finding the Fourth Proportional to 69,372.55, 104,053.47 and 19,450

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Solution

The fourth proportional to 69,372.55, 104,053.47 and 19,450 is: 29,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,372.55 : 104,053.47 = 19,450 : x
  2. Step 2: Convert to fraction form
    69,372.55/104,053.47 = 19,450/x
  3. Step 3: Cross multiply
    69,372.55x = 104,053.47 × 19,450
  4. Step 4: Simplify right side
    69,372.55x = 2,023,839,991.50
  5. Step 5: Solve for x
    x = 2,023,839,991.50/69,372.55
  6. Step 6: Final answer
    x = 29,173.50

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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.