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Finding the Fourth Proportional to 65,758.34, 98,662.34 and 39,481.40

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Solution

The fourth proportional to 65,758.34, 98,662.34 and 39,481.40 is: 59,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,758.34 : 98,662.34 = 39,481.40 : x
  2. Step 2: Convert to fraction form
    65,758.34/98,662.34 = 39,481.40/x
  3. Step 3: Cross multiply
    65,758.34x = 98,662.34 × 39,481.40
  4. Step 4: Simplify right side
    65,758.34x = 3,895,327,310.48
  5. Step 5: Solve for x
    x = 3,895,327,310.48/65,758.34
  6. Step 6: Final answer
    x = 59,237.01

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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.