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Finding the Fourth Proportional to 36,744.64, 55,081.32 and 14,550.64

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Solution

The fourth proportional to 36,744.64, 55,081.32 and 14,550.64 is: 21,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,744.64 : 55,081.32 = 14,550.64 : x
  2. Step 2: Convert to fraction form
    36,744.64/55,081.32 = 14,550.64/x
  3. Step 3: Cross multiply
    36,744.64x = 55,081.32 × 14,550.64
  4. Step 4: Simplify right side
    36,744.64x = 801,468,458.04
  5. Step 5: Solve for x
    x = 801,468,458.04/36,744.64
  6. Step 6: Final answer
    x = 21,811.85

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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.