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Finding the Fourth Proportional to 2,065.53, 2,850.24 and 1,226.09

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Solution

The fourth proportional to 2,065.53, 2,850.24 and 1,226.09 is: 1,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.53 : 2,850.24 = 1,226.09 : x
  2. Step 2: Convert to fraction form
    2,065.53/2,850.24 = 1,226.09/x
  3. Step 3: Cross multiply
    2,065.53x = 2,850.24 × 1,226.09
  4. Step 4: Simplify right side
    2,065.53x = 3,494,630.38
  5. Step 5: Solve for x
    x = 3,494,630.38/2,065.53
  6. Step 6: Final answer
    x = 1,691.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.