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Finding the Fourth Proportional to 65,060.84, 89,781.62 and 36,765.92

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Solution

The fourth proportional to 65,060.84, 89,781.62 and 36,765.92 is: 50,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,060.84 : 89,781.62 = 36,765.92 : x
  2. Step 2: Convert to fraction form
    65,060.84/89,781.62 = 36,765.92/x
  3. Step 3: Cross multiply
    65,060.84x = 89,781.62 × 36,765.92
  4. Step 4: Simplify right side
    65,060.84x = 3,300,903,858.39
  5. Step 5: Solve for x
    x = 3,300,903,858.39/65,060.84
  6. Step 6: Final answer
    x = 50,735.65

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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.