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Finding the Fourth Proportional to 40,628.70, 60,944.31 and 11,047.19

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Solution

The fourth proportional to 40,628.70, 60,944.31 and 11,047.19 is: 16,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,628.70 : 60,944.31 = 11,047.19 : x
  2. Step 2: Convert to fraction form
    40,628.70/60,944.31 = 11,047.19/x
  3. Step 3: Cross multiply
    40,628.70x = 60,944.31 × 11,047.19
  4. Step 4: Simplify right side
    40,628.70x = 673,263,524.35
  5. Step 5: Solve for x
    x = 673,263,524.35/40,628.70
  6. Step 6: Final answer
    x = 16,571.13

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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.