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Finding the Fourth Proportional to 20,632.98, 30,949.20 and 6,592.82

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Solution

The fourth proportional to 20,632.98, 30,949.20 and 6,592.82 is: 9,889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.98 : 30,949.20 = 6,592.82 : x
  2. Step 2: Convert to fraction form
    20,632.98/30,949.20 = 6,592.82/x
  3. Step 3: Cross multiply
    20,632.98x = 30,949.20 × 6,592.82
  4. Step 4: Simplify right side
    20,632.98x = 204,042,504.74
  5. Step 5: Solve for x
    x = 204,042,504.74/20,632.98
  6. Step 6: Final answer
    x = 9,889.14

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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.