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Finding the Fourth Proportional to 1,683.31, 2,524.56 and 708.88

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Solution

The fourth proportional to 1,683.31, 2,524.56 and 708.88 is: 1,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.31 : 2,524.56 = 708.88 : x
  2. Step 2: Convert to fraction form
    1,683.31/2,524.56 = 708.88/x
  3. Step 3: Cross multiply
    1,683.31x = 2,524.56 × 708.88
  4. Step 4: Simplify right side
    1,683.31x = 1,789,610.09
  5. Step 5: Solve for x
    x = 1,789,610.09/1,683.31
  6. Step 6: Final answer
    x = 1,063.15

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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.