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Finding the Fourth Proportional to 1,736.50, 2,603.94 and 581.44

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Solution

The fourth proportional to 1,736.50, 2,603.94 and 581.44 is: 871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.50 : 2,603.94 = 581.44 : x
  2. Step 2: Convert to fraction form
    1,736.50/2,603.94 = 581.44/x
  3. Step 3: Cross multiply
    1,736.50x = 2,603.94 × 581.44
  4. Step 4: Simplify right side
    1,736.50x = 1,514,034.87
  5. Step 5: Solve for x
    x = 1,514,034.87/1,736.50
  6. Step 6: Final answer
    x = 871.89

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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.