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Finding the Fourth Proportional to 3,523.67, 5,283.67 and 1,879.77

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Solution

The fourth proportional to 3,523.67, 5,283.67 and 1,879.77 is: 2,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.67 : 5,283.67 = 1,879.77 : x
  2. Step 2: Convert to fraction form
    3,523.67/5,283.67 = 1,879.77/x
  3. Step 3: Cross multiply
    3,523.67x = 5,283.67 × 1,879.77
  4. Step 4: Simplify right side
    3,523.67x = 9,932,084.36
  5. Step 5: Solve for x
    x = 9,932,084.36/3,523.67
  6. Step 6: Final answer
    x = 2,818.68

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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.