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Finding the Fourth Proportional to 65,846.70, 98,691.11 and 33,792.80

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Solution

The fourth proportional to 65,846.70, 98,691.11 and 33,792.80 is: 50,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,846.70 : 98,691.11 = 33,792.80 : x
  2. Step 2: Convert to fraction form
    65,846.70/98,691.11 = 33,792.80/x
  3. Step 3: Cross multiply
    65,846.70x = 98,691.11 × 33,792.80
  4. Step 4: Simplify right side
    65,846.70x = 3,335,048,406.31
  5. Step 5: Solve for x
    x = 3,335,048,406.31/65,846.70
  6. Step 6: Final answer
    x = 50,648.68

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1.5x scale

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.