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Finding the Fourth Proportional to 1,968.97, 2,954.03 and 582.34

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Solution

The fourth proportional to 1,968.97, 2,954.03 and 582.34 is: 873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.97 : 2,954.03 = 582.34 : x
  2. Step 2: Convert to fraction form
    1,968.97/2,954.03 = 582.34/x
  3. Step 3: Cross multiply
    1,968.97x = 2,954.03 × 582.34
  4. Step 4: Simplify right side
    1,968.97x = 1,720,258.67
  5. Step 5: Solve for x
    x = 1,720,258.67/1,968.97
  6. Step 6: Final answer
    x = 873.68

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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.