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Finding the Fourth Proportional to 36,544.40, 54,816.60 and 13,171.60

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Solution

The fourth proportional to 36,544.40, 54,816.60 and 13,171.60 is: 19,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,544.40 : 54,816.60 = 13,171.60 : x
  2. Step 2: Convert to fraction form
    36,544.40/54,816.60 = 13,171.60/x
  3. Step 3: Cross multiply
    36,544.40x = 54,816.60 × 13,171.60
  4. Step 4: Simplify right side
    36,544.40x = 722,022,328.56
  5. Step 5: Solve for x
    x = 722,022,328.56/36,544.40
  6. Step 6: Final answer
    x = 19,757.40

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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.