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Finding the Fourth Proportional to 762.24, 1,044.30 and 733.08

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Solution

The fourth proportional to 762.24, 1,044.30 and 733.08 is: 1,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    762.24 : 1,044.30 = 733.08 : x
  2. Step 2: Convert to fraction form
    762.24/1,044.30 = 733.08/x
  3. Step 3: Cross multiply
    762.24x = 1,044.30 × 733.08
  4. Step 4: Simplify right side
    762.24x = 765,555.44
  5. Step 5: Solve for x
    x = 765,555.44/762.24
  6. Step 6: Final answer
    x = 1,004.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.