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Finding the Fourth Proportional to 57,759.84, 86,589.12 and 27,759.06

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Solution

The fourth proportional to 57,759.84, 86,589.12 and 27,759.06 is: 41,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,759.84 : 86,589.12 = 27,759.06 : x
  2. Step 2: Convert to fraction form
    57,759.84/86,589.12 = 27,759.06/x
  3. Step 3: Cross multiply
    57,759.84x = 86,589.12 × 27,759.06
  4. Step 4: Simplify right side
    57,759.84x = 2,403,632,577.43
  5. Step 5: Solve for x
    x = 2,403,632,577.43/57,759.84
  6. Step 6: Final answer
    x = 41,614.25

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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.