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Finding the Fourth Proportional to 65,654.96, 90,604.92 and 35,846.96

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Solution

The fourth proportional to 65,654.96, 90,604.92 and 35,846.96 is: 49,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,654.96 : 90,604.92 = 35,846.96 : x
  2. Step 2: Convert to fraction form
    65,654.96/90,604.92 = 35,846.96/x
  3. Step 3: Cross multiply
    65,654.96x = 90,604.92 × 35,846.96
  4. Step 4: Simplify right side
    65,654.96x = 3,247,910,943.04
  5. Step 5: Solve for x
    x = 3,247,910,943.04/65,654.96
  6. Step 6: Final answer
    x = 49,469.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.