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Finding the Fourth Proportional to 1,954.56, 2,933.00 and 722.84

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Solution

The fourth proportional to 1,954.56, 2,933.00 and 722.84 is: 1,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.56 : 2,933.00 = 722.84 : x
  2. Step 2: Convert to fraction form
    1,954.56/2,933.00 = 722.84/x
  3. Step 3: Cross multiply
    1,954.56x = 2,933.00 × 722.84
  4. Step 4: Simplify right side
    1,954.56x = 2,120,071.44
  5. Step 5: Solve for x
    x = 2,120,071.44/1,954.56
  6. Step 6: Final answer
    x = 1,084.68

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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.