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Finding the Fourth Proportional to 61,887.37, 92,747.90 and 33,765.28

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Solution

The fourth proportional to 61,887.37, 92,747.90 and 33,765.28 is: 50,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,887.37 : 92,747.90 = 33,765.28 : x
  2. Step 2: Convert to fraction form
    61,887.37/92,747.90 = 33,765.28/x
  3. Step 3: Cross multiply
    61,887.37x = 92,747.90 × 33,765.28
  4. Step 4: Simplify right side
    61,887.37x = 3,131,658,644.09
  5. Step 5: Solve for x
    x = 3,131,658,644.09/61,887.37
  6. Step 6: Final answer
    x = 50,602.55

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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.