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Finding the Fourth Proportional to 65,489.40, 98,277.30 and 23,936.40

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Solution

The fourth proportional to 65,489.40, 98,277.30 and 23,936.40 is: 35,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,489.40 : 98,277.30 = 23,936.40 : x
  2. Step 2: Convert to fraction form
    65,489.40/98,277.30 = 23,936.40/x
  3. Step 3: Cross multiply
    65,489.40x = 98,277.30 × 23,936.40
  4. Step 4: Simplify right side
    65,489.40x = 2,352,404,763.72
  5. Step 5: Solve for x
    x = 2,352,404,763.72/65,489.40
  6. Step 6: Final answer
    x = 35,920.39

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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.