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Finding the Fourth Proportional to 2,136.01, 3,204.48 and 675.28

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Solution

The fourth proportional to 2,136.01, 3,204.48 and 675.28 is: 1,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.01 : 3,204.48 = 675.28 : x
  2. Step 2: Convert to fraction form
    2,136.01/3,204.48 = 675.28/x
  3. Step 3: Cross multiply
    2,136.01x = 3,204.48 × 675.28
  4. Step 4: Simplify right side
    2,136.01x = 2,163,921.25
  5. Step 5: Solve for x
    x = 2,163,921.25/2,136.01
  6. Step 6: Final answer
    x = 1,013.07

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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.