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Finding the Fourth Proportional to 22,285, 33,427.50 and 6,702.64

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Solution

The fourth proportional to 22,285, 33,427.50 and 6,702.64 is: 10,053.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285 : 33,427.50 = 6,702.64 : x
  2. Step 2: Convert to fraction form
    22,285/33,427.50 = 6,702.64/x
  3. Step 3: Cross multiply
    22,285x = 33,427.50 × 6,702.64
  4. Step 4: Simplify right side
    22,285x = 224,052,498.60
  5. Step 5: Solve for x
    x = 224,052,498.60/22,285
  6. Step 6: Final answer
    x = 10,053.96

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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.