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Finding the Fourth Proportional to 41,647.80, 62,471.70 and 12,066.60

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Solution

The fourth proportional to 41,647.80, 62,471.70 and 12,066.60 is: 18,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,647.80 : 62,471.70 = 12,066.60 : x
  2. Step 2: Convert to fraction form
    41,647.80/62,471.70 = 12,066.60/x
  3. Step 3: Cross multiply
    41,647.80x = 62,471.70 × 12,066.60
  4. Step 4: Simplify right side
    41,647.80x = 753,821,015.22
  5. Step 5: Solve for x
    x = 753,821,015.22/41,647.80
  6. Step 6: Final answer
    x = 18,099.90

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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.