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Finding the Fourth Proportional to 69,843.32, 104,774.80 and 22,442.52

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Solution

The fourth proportional to 69,843.32, 104,774.80 and 22,442.52 is: 33,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,843.32 : 104,774.80 = 22,442.52 : x
  2. Step 2: Convert to fraction form
    69,843.32/104,774.80 = 22,442.52/x
  3. Step 3: Cross multiply
    69,843.32x = 104,774.80 × 22,442.52
  4. Step 4: Simplify right side
    69,843.32x = 2,351,410,544.50
  5. Step 5: Solve for x
    x = 2,351,410,544.50/69,843.32
  6. Step 6: Final answer
    x = 33,666.94

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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.