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Finding the Fourth Proportional to 65,478.67, 98,236.13 and 26,063.46

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Solution

The fourth proportional to 65,478.67, 98,236.13 and 26,063.46 is: 39,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,478.67 : 98,236.13 = 26,063.46 : x
  2. Step 2: Convert to fraction form
    65,478.67/98,236.13 = 26,063.46/x
  3. Step 3: Cross multiply
    65,478.67x = 98,236.13 × 26,063.46
  4. Step 4: Simplify right side
    65,478.67x = 2,560,373,286.30
  5. Step 5: Solve for x
    x = 2,560,373,286.30/65,478.67
  6. Step 6: Final answer
    x = 39,102.40

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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.