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Finding the Fourth Proportional to 43,610.70, 65,416.05 and 40,694.70

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Solution

The fourth proportional to 43,610.70, 65,416.05 and 40,694.70 is: 61,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,610.70 : 65,416.05 = 40,694.70 : x
  2. Step 2: Convert to fraction form
    43,610.70/65,416.05 = 40,694.70/x
  3. Step 3: Cross multiply
    43,610.70x = 65,416.05 × 40,694.70
  4. Step 4: Simplify right side
    43,610.70x = 2,662,086,529.94
  5. Step 5: Solve for x
    x = 2,662,086,529.94/43,610.70
  6. Step 6: Final answer
    x = 61,042.05

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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.