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Finding the Fourth Proportional to 1,363.72, 2,044.30 and 633.08

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Solution

The fourth proportional to 1,363.72, 2,044.30 and 633.08 is: 949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.72 : 2,044.30 = 633.08 : x
  2. Step 2: Convert to fraction form
    1,363.72/2,044.30 = 633.08/x
  3. Step 3: Cross multiply
    1,363.72x = 2,044.30 × 633.08
  4. Step 4: Simplify right side
    1,363.72x = 1,294,205.44
  5. Step 5: Solve for x
    x = 1,294,205.44/1,363.72
  6. Step 6: Final answer
    x = 949.03

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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.