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Finding the Fourth Proportional to 69,563.63, 104,351.70 and 19,644.23

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Solution

The fourth proportional to 69,563.63, 104,351.70 and 19,644.23 is: 29,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,563.63 : 104,351.70 = 19,644.23 : x
  2. Step 2: Convert to fraction form
    69,563.63/104,351.70 = 19,644.23/x
  3. Step 3: Cross multiply
    69,563.63x = 104,351.70 × 19,644.23
  4. Step 4: Simplify right side
    69,563.63x = 2,049,908,795.69
  5. Step 5: Solve for x
    x = 2,049,908,795.69/69,563.63
  6. Step 6: Final answer
    x = 29,468.11

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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.