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Finding the Fourth Proportional to 1,794.61, 2,691.71 and 625.24

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Solution

The fourth proportional to 1,794.61, 2,691.71 and 625.24 is: 937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.61 : 2,691.71 = 625.24 : x
  2. Step 2: Convert to fraction form
    1,794.61/2,691.71 = 625.24/x
  3. Step 3: Cross multiply
    1,794.61x = 2,691.71 × 625.24
  4. Step 4: Simplify right side
    1,794.61x = 1,682,964.76
  5. Step 5: Solve for x
    x = 1,682,964.76/1,794.61
  6. Step 6: Final answer
    x = 937.79

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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.