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Finding the Fourth Proportional to 44,153.56, 66,259.52 and 20,786.68

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Solution

The fourth proportional to 44,153.56, 66,259.52 and 20,786.68 is: 31,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,153.56 : 66,259.52 = 20,786.68 : x
  2. Step 2: Convert to fraction form
    44,153.56/66,259.52 = 20,786.68/x
  3. Step 3: Cross multiply
    44,153.56x = 66,259.52 × 20,786.68
  4. Step 4: Simplify right side
    44,153.56x = 1,377,315,439.19
  5. Step 5: Solve for x
    x = 1,377,315,439.19/44,153.56
  6. Step 6: Final answer
    x = 31,193.76

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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.