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Finding the Fourth Proportional to 44,245.20, 66,324.60 and 39,579.60

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Solution

The fourth proportional to 44,245.20, 66,324.60 and 39,579.60 is: 59,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,245.20 : 66,324.60 = 39,579.60 : x
  2. Step 2: Convert to fraction form
    44,245.20/66,324.60 = 39,579.60/x
  3. Step 3: Cross multiply
    44,245.20x = 66,324.60 × 39,579.60
  4. Step 4: Simplify right side
    44,245.20x = 2,625,101,138.16
  5. Step 5: Solve for x
    x = 2,625,101,138.16/44,245.20
  6. Step 6: Final answer
    x = 59,330.76

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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.