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Finding the Fourth Proportional to 65,028.60, 97,553.16 and 27,588.78

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Solution

The fourth proportional to 65,028.60, 97,553.16 and 27,588.78 is: 41,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,028.60 : 97,553.16 = 27,588.78 : x
  2. Step 2: Convert to fraction form
    65,028.60/97,553.16 = 27,588.78/x
  3. Step 3: Cross multiply
    65,028.60x = 97,553.16 × 27,588.78
  4. Step 4: Simplify right side
    65,028.60x = 2,691,372,669.54
  5. Step 5: Solve for x
    x = 2,691,372,669.54/65,028.60
  6. Step 6: Final answer
    x = 41,387.52

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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.