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Finding the Fourth Proportional to 1,736.82, 2,605.25 and 582.57

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Solution

The fourth proportional to 1,736.82, 2,605.25 and 582.57 is: 873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.82 : 2,605.25 = 582.57 : x
  2. Step 2: Convert to fraction form
    1,736.82/2,605.25 = 582.57/x
  3. Step 3: Cross multiply
    1,736.82x = 2,605.25 × 582.57
  4. Step 4: Simplify right side
    1,736.82x = 1,517,737.58
  5. Step 5: Solve for x
    x = 1,517,737.58/1,736.82
  6. Step 6: Final answer
    x = 873.86

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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.