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Finding the Fourth Proportional to 65,919.12, 98,858.20 and 23,793.80

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Solution

The fourth proportional to 65,919.12, 98,858.20 and 23,793.80 is: 35,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,919.12 : 98,858.20 = 23,793.80 : x
  2. Step 2: Convert to fraction form
    65,919.12/98,858.20 = 23,793.80/x
  3. Step 3: Cross multiply
    65,919.12x = 98,858.20 × 23,793.80
  4. Step 4: Simplify right side
    65,919.12x = 2,352,212,239.16
  5. Step 5: Solve for x
    x = 2,352,212,239.16/65,919.12
  6. Step 6: Final answer
    x = 35,683.31

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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.