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Finding the Fourth Proportional to 1,701.93, 2,553.57 and 662.43

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Solution

The fourth proportional to 1,701.93, 2,553.57 and 662.43 is: 993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.93 : 2,553.57 = 662.43 : x
  2. Step 2: Convert to fraction form
    1,701.93/2,553.57 = 662.43/x
  3. Step 3: Cross multiply
    1,701.93x = 2,553.57 × 662.43
  4. Step 4: Simplify right side
    1,701.93x = 1,691,561.38
  5. Step 5: Solve for x
    x = 1,691,561.38/1,701.93
  6. Step 6: Final answer
    x = 993.91

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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.