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Finding the Fourth Proportional to 65,361.89, 98,059.23 and 18,614.75

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Solution

The fourth proportional to 65,361.89, 98,059.23 and 18,614.75 is: 27,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,361.89 : 98,059.23 = 18,614.75 : x
  2. Step 2: Convert to fraction form
    65,361.89/98,059.23 = 18,614.75/x
  3. Step 3: Cross multiply
    65,361.89x = 98,059.23 × 18,614.75
  4. Step 4: Simplify right side
    65,361.89x = 1,825,348,051.64
  5. Step 5: Solve for x
    x = 1,825,348,051.64/65,361.89
  6. Step 6: Final answer
    x = 27,926.79

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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.