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Finding the Fourth Proportional to 2,380, 3,284.52 and 1,448.56

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Solution

The fourth proportional to 2,380, 3,284.52 and 1,448.56 is: 1,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380 : 3,284.52 = 1,448.56 : x
  2. Step 2: Convert to fraction form
    2,380/3,284.52 = 1,448.56/x
  3. Step 3: Cross multiply
    2,380x = 3,284.52 × 1,448.56
  4. Step 4: Simplify right side
    2,380x = 4,757,824.29
  5. Step 5: Solve for x
    x = 4,757,824.29/2,380
  6. Step 6: Final answer
    x = 1,999.09

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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.