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Finding the Fourth Proportional to 18,401.16, 27,601.20 and 4,550.16

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Solution

The fourth proportional to 18,401.16, 27,601.20 and 4,550.16 is: 6,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.16 : 27,601.20 = 4,550.16 : x
  2. Step 2: Convert to fraction form
    18,401.16/27,601.20 = 4,550.16/x
  3. Step 3: Cross multiply
    18,401.16x = 27,601.20 × 4,550.16
  4. Step 4: Simplify right side
    18,401.16x = 125,589,876.19
  5. Step 5: Solve for x
    x = 125,589,876.19/18,401.16
  6. Step 6: Final answer
    x = 6,825.11

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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.