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Finding the Fourth Proportional to 1,083.01, 1,625.16 and 736.57

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Solution

The fourth proportional to 1,083.01, 1,625.16 and 736.57 is: 1,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.01 : 1,625.16 = 736.57 : x
  2. Step 2: Convert to fraction form
    1,083.01/1,625.16 = 736.57/x
  3. Step 3: Cross multiply
    1,083.01x = 1,625.16 × 736.57
  4. Step 4: Simplify right side
    1,083.01x = 1,197,044.10
  5. Step 5: Solve for x
    x = 1,197,044.10/1,083.01
  6. Step 6: Final answer
    x = 1,105.29

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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.