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Finding the Fourth Proportional to 41,163.66, 61,745.46 and 9,998.88

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Solution

The fourth proportional to 41,163.66, 61,745.46 and 9,998.88 is: 14,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,163.66 : 61,745.46 = 9,998.88 : x
  2. Step 2: Convert to fraction form
    41,163.66/61,745.46 = 9,998.88/x
  3. Step 3: Cross multiply
    41,163.66x = 61,745.46 × 9,998.88
  4. Step 4: Simplify right side
    41,163.66x = 617,385,445.08
  5. Step 5: Solve for x
    x = 617,385,445.08/41,163.66
  6. Step 6: Final answer
    x = 14,998.31

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Double scale
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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.