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Finding the Fourth Proportional to 27,216.75, 40,825.16 and 10,800.75

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Solution

The fourth proportional to 27,216.75, 40,825.16 and 10,800.75 is: 16,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.75 : 40,825.16 = 10,800.75 : x
  2. Step 2: Convert to fraction form
    27,216.75/40,825.16 = 10,800.75/x
  3. Step 3: Cross multiply
    27,216.75x = 40,825.16 × 10,800.75
  4. Step 4: Simplify right side
    27,216.75x = 440,942,292.87
  5. Step 5: Solve for x
    x = 440,942,292.87/27,216.75
  6. Step 6: Final answer
    x = 16,201.14

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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.