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Finding the Fourth Proportional to 65,204.44, 89,985.48 and 36,522.39

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Solution

The fourth proportional to 65,204.44, 89,985.48 and 36,522.39 is: 50,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,204.44 : 89,985.48 = 36,522.39 : x
  2. Step 2: Convert to fraction form
    65,204.44/89,985.48 = 36,522.39/x
  3. Step 3: Cross multiply
    65,204.44x = 89,985.48 × 36,522.39
  4. Step 4: Simplify right side
    65,204.44x = 3,286,485,200.82
  5. Step 5: Solve for x
    x = 3,286,485,200.82/65,204.44
  6. Step 6: Final answer
    x = 50,402.78

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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.