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Finding the Fourth Proportional to 18,550.63, 27,825.65 and 5,900.20

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Solution

The fourth proportional to 18,550.63, 27,825.65 and 5,900.20 is: 8,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.63 : 27,825.65 = 5,900.20 : x
  2. Step 2: Convert to fraction form
    18,550.63/27,825.65 = 5,900.20/x
  3. Step 3: Cross multiply
    18,550.63x = 27,825.65 × 5,900.20
  4. Step 4: Simplify right side
    18,550.63x = 164,176,943.55
  5. Step 5: Solve for x
    x = 164,176,943.55/18,550.63
  6. Step 6: Final answer
    x = 8,850.21

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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.