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Finding the Fourth Proportional to 65,051.82, 89,771.66 and 36,372.51

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Solution

The fourth proportional to 65,051.82, 89,771.66 and 36,372.51 is: 50,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,051.82 : 89,771.66 = 36,372.51 : x
  2. Step 2: Convert to fraction form
    65,051.82/89,771.66 = 36,372.51/x
  3. Step 3: Cross multiply
    65,051.82x = 89,771.66 × 36,372.51
  4. Step 4: Simplify right side
    65,051.82x = 3,265,220,692.00
  5. Step 5: Solve for x
    x = 3,265,220,692.00/65,051.82
  6. Step 6: Final answer
    x = 50,194.15

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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.