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Finding the Fourth Proportional to 65,556.76, 98,218.44 and 27,522.40

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Solution

The fourth proportional to 65,556.76, 98,218.44 and 27,522.40 is: 41,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,556.76 : 98,218.44 = 27,522.40 : x
  2. Step 2: Convert to fraction form
    65,556.76/98,218.44 = 27,522.40/x
  3. Step 3: Cross multiply
    65,556.76x = 98,218.44 × 27,522.40
  4. Step 4: Simplify right side
    65,556.76x = 2,703,207,193.06
  5. Step 5: Solve for x
    x = 2,703,207,193.06/65,556.76
  6. Step 6: Final answer
    x = 41,234.61

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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.