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Finding the Fourth Proportional to 69,795.28, 104,702.57 and 22,399.21

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Solution

The fourth proportional to 69,795.28, 104,702.57 and 22,399.21 is: 33,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,795.28 : 104,702.57 = 22,399.21 : x
  2. Step 2: Convert to fraction form
    69,795.28/104,702.57 = 22,399.21/x
  3. Step 3: Cross multiply
    69,795.28x = 104,702.57 × 22,399.21
  4. Step 4: Simplify right side
    69,795.28x = 2,345,254,852.97
  5. Step 5: Solve for x
    x = 2,345,254,852.97/69,795.28
  6. Step 6: Final answer
    x = 33,601.91

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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.