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Finding the Fourth Proportional to 2,169.99, 3,252.56 and 935.96

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Solution

The fourth proportional to 2,169.99, 3,252.56 and 935.96 is: 1,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.99 : 3,252.56 = 935.96 : x
  2. Step 2: Convert to fraction form
    2,169.99/3,252.56 = 935.96/x
  3. Step 3: Cross multiply
    2,169.99x = 3,252.56 × 935.96
  4. Step 4: Simplify right side
    2,169.99x = 3,044,245.12
  5. Step 5: Solve for x
    x = 3,044,245.12/2,169.99
  6. Step 6: Final answer
    x = 1,402.88

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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.