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Finding the Fourth Proportional to 1,701.94, 2,553.07 and 662.02

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Solution

The fourth proportional to 1,701.94, 2,553.07 and 662.02 is: 993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.94 : 2,553.07 = 662.02 : x
  2. Step 2: Convert to fraction form
    1,701.94/2,553.07 = 662.02/x
  3. Step 3: Cross multiply
    1,701.94x = 2,553.07 × 662.02
  4. Step 4: Simplify right side
    1,701.94x = 1,690,191.79
  5. Step 5: Solve for x
    x = 1,690,191.79/1,701.94
  6. Step 6: Final answer
    x = 993.10

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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.