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Finding the Fourth Proportional to 1,736.73, 2,605.12 and 582.48

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Solution

The fourth proportional to 1,736.73, 2,605.12 and 582.48 is: 873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.73 : 2,605.12 = 582.48 : x
  2. Step 2: Convert to fraction form
    1,736.73/2,605.12 = 582.48/x
  3. Step 3: Cross multiply
    1,736.73x = 2,605.12 × 582.48
  4. Step 4: Simplify right side
    1,736.73x = 1,517,428.84
  5. Step 5: Solve for x
    x = 1,517,428.84/1,736.73
  6. Step 6: Final answer
    x = 873.73

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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.