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Finding the Fourth Proportional to 1,044.27, 1,566.91 and 738.09

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Solution

The fourth proportional to 1,044.27, 1,566.91 and 738.09 is: 1,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.27 : 1,566.91 = 738.09 : x
  2. Step 2: Convert to fraction form
    1,044.27/1,566.91 = 738.09/x
  3. Step 3: Cross multiply
    1,044.27x = 1,566.91 × 738.09
  4. Step 4: Simplify right side
    1,044.27x = 1,156,517.12
  5. Step 5: Solve for x
    x = 1,156,517.12/1,044.27
  6. Step 6: Final answer
    x = 1,107.49

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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.