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Finding the Fourth Proportional to 69,573.56, 104,338.44 and 22,815.56

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Solution

The fourth proportional to 69,573.56, 104,338.44 and 22,815.56 is: 34,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,573.56 : 104,338.44 = 22,815.56 : x
  2. Step 2: Convert to fraction form
    69,573.56/104,338.44 = 22,815.56/x
  3. Step 3: Cross multiply
    69,573.56x = 104,338.44 × 22,815.56
  4. Step 4: Simplify right side
    69,573.56x = 2,380,539,938.13
  5. Step 5: Solve for x
    x = 2,380,539,938.13/69,573.56
  6. Step 6: Final answer
    x = 34,216.16

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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.