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Finding the Fourth Proportional to 1,757.72, 2,634.92 and 602.66

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Solution

The fourth proportional to 1,757.72, 2,634.92 and 602.66 is: 903.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.72 : 2,634.92 = 602.66 : x
  2. Step 2: Convert to fraction form
    1,757.72/2,634.92 = 602.66/x
  3. Step 3: Cross multiply
    1,757.72x = 2,634.92 × 602.66
  4. Step 4: Simplify right side
    1,757.72x = 1,587,944.70
  5. Step 5: Solve for x
    x = 1,587,944.70/1,757.72
  6. Step 6: Final answer
    x = 903.41

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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.