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Finding the Fourth Proportional to 1,717.01, 2,575.52 and 792.30

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Solution

The fourth proportional to 1,717.01, 2,575.52 and 792.30 is: 1,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.01 : 2,575.52 = 792.30 : x
  2. Step 2: Convert to fraction form
    1,717.01/2,575.52 = 792.30/x
  3. Step 3: Cross multiply
    1,717.01x = 2,575.52 × 792.30
  4. Step 4: Simplify right side
    1,717.01x = 2,040,573.85
  5. Step 5: Solve for x
    x = 2,040,573.85/1,717.01
  6. Step 6: Final answer
    x = 1,188.44

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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.