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Finding the Fourth Proportional to 44,589.70, 66,884.67 and 11,309.78

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Solution

The fourth proportional to 44,589.70, 66,884.67 and 11,309.78 is: 16,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,589.70 : 66,884.67 = 11,309.78 : x
  2. Step 2: Convert to fraction form
    44,589.70/66,884.67 = 11,309.78/x
  3. Step 3: Cross multiply
    44,589.70x = 66,884.67 × 11,309.78
  4. Step 4: Simplify right side
    44,589.70x = 756,450,903.07
  5. Step 5: Solve for x
    x = 756,450,903.07/44,589.70
  6. Step 6: Final answer
    x = 16,964.70

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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.