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Finding the Fourth Proportional to 6,633.72, 9,949.09 and 1,954.05

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Solution

The fourth proportional to 6,633.72, 9,949.09 and 1,954.05 is: 2,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.72 : 9,949.09 = 1,954.05 : x
  2. Step 2: Convert to fraction form
    6,633.72/9,949.09 = 1,954.05/x
  3. Step 3: Cross multiply
    6,633.72x = 9,949.09 × 1,954.05
  4. Step 4: Simplify right side
    6,633.72x = 19,441,014.43
  5. Step 5: Solve for x
    x = 19,441,014.43/6,633.72
  6. Step 6: Final answer
    x = 2,930.64

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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.