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Finding the Fourth Proportional to 2,371.84, 3,556.16 and 832

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Solution

The fourth proportional to 2,371.84, 3,556.16 and 832 is: 1,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.84 : 3,556.16 = 832 : x
  2. Step 2: Convert to fraction form
    2,371.84/3,556.16 = 832/x
  3. Step 3: Cross multiply
    2,371.84x = 3,556.16 × 832
  4. Step 4: Simplify right side
    2,371.84x = 2,958,725.12
  5. Step 5: Solve for x
    x = 2,958,725.12/2,371.84
  6. Step 6: Final answer
    x = 1,247.44

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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.