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Finding the Fourth Proportional to 3,074.52, 4,610.82 and 882.66

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Solution

The fourth proportional to 3,074.52, 4,610.82 and 882.66 is: 1,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.52 : 4,610.82 = 882.66 : x
  2. Step 2: Convert to fraction form
    3,074.52/4,610.82 = 882.66/x
  3. Step 3: Cross multiply
    3,074.52x = 4,610.82 × 882.66
  4. Step 4: Simplify right side
    3,074.52x = 4,069,786.38
  5. Step 5: Solve for x
    x = 4,069,786.38/3,074.52
  6. Step 6: Final answer
    x = 1,323.71

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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.