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Finding the Fourth Proportional to 60,805.45, 91,208.48 and 27,486.51

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Solution

The fourth proportional to 60,805.45, 91,208.48 and 27,486.51 is: 41,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,805.45 : 91,208.48 = 27,486.51 : x
  2. Step 2: Convert to fraction form
    60,805.45/91,208.48 = 27,486.51/x
  3. Step 3: Cross multiply
    60,805.45x = 91,208.48 × 27,486.51
  4. Step 4: Simplify right side
    60,805.45x = 2,507,002,797.60
  5. Step 5: Solve for x
    x = 2,507,002,797.60/60,805.45
  6. Step 6: Final answer
    x = 41,229.90

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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.