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Finding the Fourth Proportional to 45,313.20, 67,969.80 and 41,230.80

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Solution

The fourth proportional to 45,313.20, 67,969.80 and 41,230.80 is: 61,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,313.20 : 67,969.80 = 41,230.80 : x
  2. Step 2: Convert to fraction form
    45,313.20/67,969.80 = 41,230.80/x
  3. Step 3: Cross multiply
    45,313.20x = 67,969.80 × 41,230.80
  4. Step 4: Simplify right side
    45,313.20x = 2,802,449,229.84
  5. Step 5: Solve for x
    x = 2,802,449,229.84/45,313.20
  6. Step 6: Final answer
    x = 61,846.20

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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.