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Finding the Fourth Proportional to 65,498.67, 98,165.79 and 28,014.66

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Solution

The fourth proportional to 65,498.67, 98,165.79 and 28,014.66 is: 41,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,498.67 : 98,165.79 = 28,014.66 : x
  2. Step 2: Convert to fraction form
    65,498.67/98,165.79 = 28,014.66/x
  3. Step 3: Cross multiply
    65,498.67x = 98,165.79 × 28,014.66
  4. Step 4: Simplify right side
    65,498.67x = 2,750,081,230.48
  5. Step 5: Solve for x
    x = 2,750,081,230.48/65,498.67
  6. Step 6: Final answer
    x = 41,986.83

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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.