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Finding the Fourth Proportional to 2,227.93, 3,342.09 and 767.09

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Solution

The fourth proportional to 2,227.93, 3,342.09 and 767.09 is: 1,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.93 : 3,342.09 = 767.09 : x
  2. Step 2: Convert to fraction form
    2,227.93/3,342.09 = 767.09/x
  3. Step 3: Cross multiply
    2,227.93x = 3,342.09 × 767.09
  4. Step 4: Simplify right side
    2,227.93x = 2,563,683.82
  5. Step 5: Solve for x
    x = 2,563,683.82/2,227.93
  6. Step 6: Final answer
    x = 1,150.70

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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.