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Finding the Fourth Proportional to 1,682.54, 2,521.83 and 757.02

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Solution

The fourth proportional to 1,682.54, 2,521.83 and 757.02 is: 1,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.54 : 2,521.83 = 757.02 : x
  2. Step 2: Convert to fraction form
    1,682.54/2,521.83 = 757.02/x
  3. Step 3: Cross multiply
    1,682.54x = 2,521.83 × 757.02
  4. Step 4: Simplify right side
    1,682.54x = 1,909,065.03
  5. Step 5: Solve for x
    x = 1,909,065.03/1,682.54
  6. Step 6: Final answer
    x = 1,134.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.