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Finding the Fourth Proportional to 64,702.64, 96,996.20 and 25,250.56

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Solution

The fourth proportional to 64,702.64, 96,996.20 and 25,250.56 is: 37,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,702.64 : 96,996.20 = 25,250.56 : x
  2. Step 2: Convert to fraction form
    64,702.64/96,996.20 = 25,250.56/x
  3. Step 3: Cross multiply
    64,702.64x = 96,996.20 × 25,250.56
  4. Step 4: Simplify right side
    64,702.64x = 2,449,208,367.87
  5. Step 5: Solve for x
    x = 2,449,208,367.87/64,702.64
  6. Step 6: Final answer
    x = 37,853.30

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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.