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Finding the Fourth Proportional to 65,958.33, 98,943.35 and 18,573.84

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Solution

The fourth proportional to 65,958.33, 98,943.35 and 18,573.84 is: 27,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,958.33 : 98,943.35 = 18,573.84 : x
  2. Step 2: Convert to fraction form
    65,958.33/98,943.35 = 18,573.84/x
  3. Step 3: Cross multiply
    65,958.33x = 98,943.35 × 18,573.84
  4. Step 4: Simplify right side
    65,958.33x = 1,837,757,859.09
  5. Step 5: Solve for x
    x = 1,837,757,859.09/65,958.33
  6. Step 6: Final answer
    x = 27,862.41

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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.