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Finding the Fourth Proportional to 53,759.36, 80,647.36 and 27,449.84

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Solution

The fourth proportional to 53,759.36, 80,647.36 and 27,449.84 is: 41,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,759.36 : 80,647.36 = 27,449.84 : x
  2. Step 2: Convert to fraction form
    53,759.36/80,647.36 = 27,449.84/x
  3. Step 3: Cross multiply
    53,759.36x = 80,647.36 × 27,449.84
  4. Step 4: Simplify right side
    53,759.36x = 2,213,757,128.42
  5. Step 5: Solve for x
    x = 2,213,757,128.42/53,759.36
  6. Step 6: Final answer
    x = 41,179.01

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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.