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Finding the Fourth Proportional to 36,674.40, 55,000.80 and 14,480.40

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Solution

The fourth proportional to 36,674.40, 55,000.80 and 14,480.40 is: 21,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,674.40 : 55,000.80 = 14,480.40 : x
  2. Step 2: Convert to fraction form
    36,674.40/55,000.80 = 14,480.40/x
  3. Step 3: Cross multiply
    36,674.40x = 55,000.80 × 14,480.40
  4. Step 4: Simplify right side
    36,674.40x = 796,433,584.32
  5. Step 5: Solve for x
    x = 796,433,584.32/36,674.40
  6. Step 6: Final answer
    x = 21,716.34

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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.