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Finding the Fourth Proportional to 65,983.70, 98,997.28 and 43,884.02

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Solution

The fourth proportional to 65,983.70, 98,997.28 and 43,884.02 is: 65,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,983.70 : 98,997.28 = 43,884.02 : x
  2. Step 2: Convert to fraction form
    65,983.70/98,997.28 = 43,884.02/x
  3. Step 3: Cross multiply
    65,983.70x = 98,997.28 × 43,884.02
  4. Step 4: Simplify right side
    65,983.70x = 4,344,398,615.47
  5. Step 5: Solve for x
    x = 4,344,398,615.47/65,983.70
  6. Step 6: Final answer
    x = 65,840.48

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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.