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Finding the Fourth Proportional to 65,132.89, 89,883.36 and 36,837.97

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Solution

The fourth proportional to 65,132.89, 89,883.36 and 36,837.97 is: 50,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,132.89 : 89,883.36 = 36,837.97 : x
  2. Step 2: Convert to fraction form
    65,132.89/89,883.36 = 36,837.97/x
  3. Step 3: Cross multiply
    65,132.89x = 89,883.36 × 36,837.97
  4. Step 4: Simplify right side
    65,132.89x = 3,311,120,519.18
  5. Step 5: Solve for x
    x = 3,311,120,519.18/65,132.89
  6. Step 6: Final answer
    x = 50,836.38

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1.5x scale

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.