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Finding the Fourth Proportional to 36,608.63, 54,850.25 and 19,980.32

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Solution

The fourth proportional to 36,608.63, 54,850.25 and 19,980.32 is: 29,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,608.63 : 54,850.25 = 19,980.32 : x
  2. Step 2: Convert to fraction form
    36,608.63/54,850.25 = 19,980.32/x
  3. Step 3: Cross multiply
    36,608.63x = 54,850.25 × 19,980.32
  4. Step 4: Simplify right side
    36,608.63x = 1,095,925,584.30
  5. Step 5: Solve for x
    x = 1,095,925,584.30/36,608.63
  6. Step 6: Final answer
    x = 29,936.27

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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.