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Finding the Fourth Proportional to 65,907, 90,951.60 and 35,692.32

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Solution

The fourth proportional to 65,907, 90,951.60 and 35,692.32 is: 49,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,907 : 90,951.60 = 35,692.32 : x
  2. Step 2: Convert to fraction form
    65,907/90,951.60 = 35,692.32/x
  3. Step 3: Cross multiply
    65,907x = 90,951.60 × 35,692.32
  4. Step 4: Simplify right side
    65,907x = 3,246,273,611.71
  5. Step 5: Solve for x
    x = 3,246,273,611.71/65,907
  6. Step 6: Final answer
    x = 49,255.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.